First commit.

Vive le Castel Peter !

163 files changed, 4556 insertions, 0 deletions

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..325bfc0
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,51 @@
+# See https://docs.docker.com/engine/reference/builder/#dockerignore-file for more about ignoring files.
+
+# Ignore git directory.
+/.git/
+/.gitignore
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files.
+/.env*
+
+# Ignore all default key files.
+/config/master.key
+/config/credentials/*.key
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/.keep
+
+# Ignore assets.
+/node_modules/
+/app/assets/builds/*
+!/app/assets/builds/.keep
+/public/assets
+
+# Ignore CI service files.
+/.github
+
+# Ignore Kamal files.
+/config/deploy*.yml
+/.kamal
+
+# Ignore development files
+/.devcontainer
+
+# Ignore Docker-related files
+/.dockerignore
+/Dockerfile*
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..8dc4323
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,9 @@
+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored
+config/credentials/*.yml.enc diff=rails_credentials
+config/credentials.yml.enc diff=rails_credentials
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f92525c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,34 @@
+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# Temporary files generated by your text editor or operating system
+# belong in git's global ignore instead:
+# `$XDG_CONFIG_HOME/git/ignore` or `~/.config/git/ignore`
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files.
+/.env*
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/
+!/tmp/storage/.keep
+
+/public/assets
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
diff --git a/.kamal/secrets b/.kamal/secrets
new file mode 100644
index 0000000..9a771a3
--- /dev/null
+++ b/.kamal/secrets
@@ -0,0 +1,17 @@
+# Secrets defined here are available for reference under registry/password, env/secret, builder/secrets,
+# and accessories/*/env/secret in config/deploy.yml. All secrets should be pulled from either
+# password manager, ENV, or a file. DO NOT ENTER RAW CREDENTIALS HERE! This file needs to be safe for git.
+
+# Example of extracting secrets from 1password (or another compatible pw manager)
+# SECRETS=$(kamal secrets fetch --adapter 1password --account your-account --from Vault/Item KAMAL_REGISTRY_PASSWORD RAILS_MASTER_KEY)
+# KAMAL_REGISTRY_PASSWORD=$(kamal secrets extract KAMAL_REGISTRY_PASSWORD ${SECRETS})
+# RAILS_MASTER_KEY=$(kamal secrets extract RAILS_MASTER_KEY ${SECRETS})
+
+# Use a GITHUB_TOKEN if private repositories are needed for the image
+# GITHUB_TOKEN=$(gh config get -h github.com oauth_token)
+
+# Grab the registry password from ENV
+KAMAL_REGISTRY_PASSWORD=$KAMAL_REGISTRY_PASSWORD
+
+# Improve security by using a password manager. Never check config/master.key into git!
+RAILS_MASTER_KEY=$(cat config/master.key)
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..f9d86d4
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,8 @@
+# Omakase Ruby styling for Rails
+inherit_gem: { rubocop-rails-omakase: rubocop.yml }
+
+# Overwrite or add rules to create your own house style
+#
+# # Use `[a, [b, c]]` not `[ a, [ b, c ] ]`
+# Layout/SpaceInsideArrayLiteralBrackets:
+#   Enabled: false
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..61b1268
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+ruby-3.2.8
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..20b3bf3
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,72 @@
+# syntax=docker/dockerfile:1
+# check=error=true
+
+# This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand:
+# docker build -t ferti .
+# docker run -d -p 80:80 -e RAILS_MASTER_KEY=<value from config/master.key> --name ferti ferti
+
+# For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
+ARG RUBY_VERSION=3.2.8
+FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
+
+# Rails app lives here
+WORKDIR /rails
+
+# Install base packages
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Set production environment
+ENV RAILS_ENV="production" \
+    BUNDLE_DEPLOYMENT="1" \
+    BUNDLE_PATH="/usr/local/bundle" \
+    BUNDLE_WITHOUT="development"
+
+# Throw-away build stage to reduce size of final image
+FROM base AS build
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle install && \
+    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
+    bundle exec bootsnap precompile --gemfile
+
+# Copy application code
+COPY . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile app/ lib/
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
+
+
+
+
+# Final stage for app image
+FROM base
+
+# Copy built artifacts: gems, application
+COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
+COPY --from=build /rails /rails
+
+# Run and own only the runtime files as a non-root user for security
+RUN groupadd --system --gid 1000 rails && \
+    useradd rails --uid 1000 --gid 1000 --create-home --shell /bin/bash && \
+    chown -R rails:rails db log storage tmp
+USER 1000:1000
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
+
+# Start server via Thruster by default, this can be overwritten at runtime
+EXPOSE 80
+CMD ["./bin/thrust", "./bin/rails", "server"]
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000..2077d17
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,65 @@
+source "https://rubygems.org"
+
+# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
+gem "rails", "~> 8.0.2", ">= 8.0.2.1"
+# The modern asset pipeline for Rails [https://github.com/rails/propshaft]
+gem "propshaft"
+# Use sqlite3 as the database for Active Record
+gem "sqlite3", ">= 2.1"
+# Use the Puma web server [https://github.com/puma/puma]
+gem "puma", ">= 5.0"
+# Use JavaScript with ESM import maps [https://github.com/rails/importmap-rails]
+gem "importmap-rails"
+# Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev]
+gem "turbo-rails"
+# Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev]
+gem "stimulus-rails"
+# Build JSON APIs with ease [https://github.com/rails/jbuilder]
+gem "jbuilder"
+
+# Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
+# gem "bcrypt", "~> 3.1.7"
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem "tzinfo-data", platforms: %i[ windows jruby ]
+
+# Use the database-backed adapters for Rails.cache, Active Job, and Action Cable
+gem "solid_cache"
+gem "solid_queue"
+gem "solid_cable"
+
+# Reduces boot times through caching; required in config/boot.rb
+gem "bootsnap", require: false
+
+# Deploy this application anywhere as a Docker container [https://kamal-deploy.org]
+gem "kamal", require: false
+
+# Add HTTP asset caching/compression and X-Sendfile acceleration to Puma [https://github.com/basecamp/thruster/]
+gem "thruster", require: false
+
+# Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
+# gem "image_processing", "~> 1.2"
+
+group :development, :test do
+  # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
+  gem "debug", platforms: %i[ mri windows ], require: "debug/prelude"
+
+  # Static analysis for security vulnerabilities [https://brakemanscanner.org/]
+  gem "brakeman", require: false
+
+  # Omakase Ruby styling [https://github.com/rails/rubocop-rails-omakase/]
+  gem "rubocop-rails-omakase", require: false
+end
+
+group :development do
+  # Use console on exceptions pages [https://github.com/rails/web-console]
+  gem "web-console"
+end
+
+group :test do
+  # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
+  gem "capybara"
+  gem "selenium-webdriver"
+end
+
+gem "chartkick", "~> 5.2"
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000..1bc31ac
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,397 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (8.0.2.1)
+      actionpack (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (8.0.2.1)
+      actionpack (= 8.0.2.1)
+      activejob (= 8.0.2.1)
+      activerecord (= 8.0.2.1)
+      activestorage (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      mail (>= 2.8.0)
+    actionmailer (8.0.2.1)
+      actionpack (= 8.0.2.1)
+      actionview (= 8.0.2.1)
+      activejob (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (8.0.2.1)
+      actionview (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      nokogiri (>= 1.8.5)
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+      useragent (~> 0.16)
+    actiontext (8.0.2.1)
+      actionpack (= 8.0.2.1)
+      activerecord (= 8.0.2.1)
+      activestorage (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (8.0.2.1)
+      activesupport (= 8.0.2.1)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (8.0.2.1)
+      activesupport (= 8.0.2.1)
+      globalid (>= 0.3.6)
+    activemodel (8.0.2.1)
+      activesupport (= 8.0.2.1)
+    activerecord (8.0.2.1)
+      activemodel (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      timeout (>= 0.4.0)
+    activestorage (8.0.2.1)
+      actionpack (= 8.0.2.1)
+      activejob (= 8.0.2.1)
+      activerecord (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      marcel (~> 1.0)
+    activesupport (8.0.2.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    ast (2.4.3)
+    base64 (0.3.0)
+    bcrypt_pbkdf (1.1.1)
+    bcrypt_pbkdf (1.1.1-arm64-darwin)
+    bcrypt_pbkdf (1.1.1-x86_64-darwin)
+    benchmark (0.4.1)
+    bigdecimal (3.2.2)
+    bindex (0.8.1)
+    bootsnap (1.18.6)
+      msgpack (~> 1.2)
+    brakeman (7.1.0)
+      racc
+    builder (3.3.0)
+    capybara (3.40.0)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.11)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
+    chartkick (5.2.0)
+    concurrent-ruby (1.3.5)
+    connection_pool (2.5.3)
+    crass (1.0.6)
+    date (3.4.1)
+    debug (1.11.0)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
+    dotenv (3.1.8)
+    drb (2.2.3)
+    ed25519 (1.4.0)
+    erb (5.0.2)
+    erubi (1.13.1)
+    et-orbi (1.3.0)
+      tzinfo
+    fugit (1.11.1)
+      et-orbi (~> 1, >= 1.2.11)
+      raabro (~> 1.4)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
+    i18n (1.14.7)
+      concurrent-ruby (~> 1.0)
+    importmap-rails (2.2.2)
+      actionpack (>= 6.0.0)
+      activesupport (>= 6.0.0)
+      railties (>= 6.0.0)
+    io-console (0.8.1)
+    irb (1.15.2)
+      pp (>= 0.6.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    jbuilder (2.14.1)
+      actionview (>= 7.0.0)
+      activesupport (>= 7.0.0)
+    json (2.13.2)
+    kamal (2.7.0)
+      activesupport (>= 7.0)
+      base64 (~> 0.2)
+      bcrypt_pbkdf (~> 1.0)
+      concurrent-ruby (~> 1.2)
+      dotenv (~> 3.1)
+      ed25519 (~> 1.4)
+      net-ssh (~> 7.3)
+      sshkit (>= 1.23.0, < 2.0)
+      thor (~> 1.3)
+      zeitwerk (>= 2.6.18, < 3.0)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    loofah (2.24.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.4)
+    matrix (0.4.3)
+    mini_mime (1.1.5)
+    minitest (5.25.5)
+    msgpack (1.8.0)
+    net-imap (0.5.9)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-scp (4.1.0)
+      net-ssh (>= 2.6.5, < 8.0.0)
+    net-sftp (4.0.0)
+      net-ssh (>= 5.0.0, < 8.0.0)
+    net-smtp (0.5.1)
+      net-protocol
+    net-ssh (7.3.0)
+    nio4r (2.7.4)
+    nokogiri (1.18.9-aarch64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.18.9-aarch64-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.18.9-arm-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.18.9-arm-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.18.9-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.18.9-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.18.9-x86_64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.18.9-x86_64-linux-musl)
+      racc (~> 1.4)
+    ostruct (0.6.3)
+    parallel (1.27.0)
+    parser (3.3.9.0)
+      ast (~> 2.4.1)
+      racc
+    pp (0.6.2)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.4.0)
+    propshaft (1.2.1)
+      actionpack (>= 7.0.0)
+      activesupport (>= 7.0.0)
+      rack
+    psych (5.2.6)
+      date
+      stringio
+    public_suffix (6.0.2)
+    puma (6.6.1)
+      nio4r (~> 2.0)
+    raabro (1.4.0)
+    racc (1.8.1)
+    rack (3.2.0)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rackup (2.2.1)
+      rack (>= 3)
+    rails (8.0.2.1)
+      actioncable (= 8.0.2.1)
+      actionmailbox (= 8.0.2.1)
+      actionmailer (= 8.0.2.1)
+      actionpack (= 8.0.2.1)
+      actiontext (= 8.0.2.1)
+      actionview (= 8.0.2.1)
+      activejob (= 8.0.2.1)
+      activemodel (= 8.0.2.1)
+      activerecord (= 8.0.2.1)
+      activestorage (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      bundler (>= 1.15.0)
+      railties (= 8.0.2.1)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.2)
+      loofah (~> 2.21)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    railties (8.0.2.1)
+      actionpack (= 8.0.2.1)
+      activesupport (= 8.0.2.1)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
+    rainbow (3.1.1)
+    rake (13.3.0)
+    rdoc (6.14.2)
+      erb
+      psych (>= 4.0.0)
+    regexp_parser (2.11.2)
+    reline (0.6.2)
+      io-console (~> 0.5)
+    rexml (3.4.1)
+    rubocop (1.79.2)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.46.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.46.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-performance (1.25.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    rubocop-rails (2.33.3)
+      activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
+      rack (>= 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
+    rubocop-rails-omakase (1.1.0)
+      rubocop (>= 1.72)
+      rubocop-performance (>= 1.24)
+      rubocop-rails (>= 2.30)
+    ruby-progressbar (1.13.0)
+    rubyzip (3.0.1)
+    securerandom (0.4.1)
+    selenium-webdriver (4.35.0)
+      base64 (~> 0.2)
+      logger (~> 1.4)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 4.0)
+      websocket (~> 1.0)
+    solid_cable (3.0.12)
+      actioncable (>= 7.2)
+      activejob (>= 7.2)
+      activerecord (>= 7.2)
+      railties (>= 7.2)
+    solid_cache (1.0.7)
+      activejob (>= 7.2)
+      activerecord (>= 7.2)
+      railties (>= 7.2)
+    solid_queue (1.2.1)
+      activejob (>= 7.1)
+      activerecord (>= 7.1)
+      concurrent-ruby (>= 1.3.1)
+      fugit (~> 1.11.0)
+      railties (>= 7.1)
+      thor (>= 1.3.1)
+    sqlite3 (2.7.3-aarch64-linux-gnu)
+    sqlite3 (2.7.3-aarch64-linux-musl)
+    sqlite3 (2.7.3-arm-linux-gnu)
+    sqlite3 (2.7.3-arm-linux-musl)
+    sqlite3 (2.7.3-arm64-darwin)
+    sqlite3 (2.7.3-x86_64-darwin)
+    sqlite3 (2.7.3-x86_64-linux-gnu)
+    sqlite3 (2.7.3-x86_64-linux-musl)
+    sshkit (1.24.0)
+      base64
+      logger
+      net-scp (>= 1.1.2)
+      net-sftp (>= 2.1.2)
+      net-ssh (>= 2.8.0)
+      ostruct
+    stimulus-rails (1.3.4)
+      railties (>= 6.0.0)
+    stringio (3.1.7)
+    thor (1.4.0)
+    thruster (0.1.15)
+    thruster (0.1.15-aarch64-linux)
+    thruster (0.1.15-arm64-darwin)
+    thruster (0.1.15-x86_64-darwin)
+    thruster (0.1.15-x86_64-linux)
+    timeout (0.4.3)
+    turbo-rails (2.0.16)
+      actionpack (>= 7.1.0)
+      railties (>= 7.1.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (3.1.5)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
+    uri (1.0.3)
+    useragent (0.16.11)
+    web-console (4.2.1)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
+      bindex (>= 0.4.0)
+      railties (>= 6.0.0)
+    websocket (1.2.11)
+    websocket-driver (0.8.0)
+      base64
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+    zeitwerk (2.7.3)
+
+PLATFORMS
+  aarch64-linux
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  x86_64-darwin
+  x86_64-linux-gnu
+  x86_64-linux-musl
+
+DEPENDENCIES
+  bootsnap
+  brakeman
+  capybara
+  chartkick (~> 5.2)
+  debug
+  importmap-rails
+  jbuilder
+  kamal
+  propshaft
+  puma (>= 5.0)
+  rails (~> 8.0.2, >= 8.0.2.1)
+  rubocop-rails-omakase
+  selenium-webdriver
+  solid_cable
+  solid_cache
+  solid_queue
+  sqlite3 (>= 2.1)
+  stimulus-rails
+  thruster
+  turbo-rails
+  tzinfo-data
+  web-console
+
+BUNDLED WITH
+   2.6.9
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7db80e4
--- /dev/null
+++ b/README.md
@@ -0,0 +1,24 @@
+# README
+
+This README would normally document whatever steps are necessary to get the
+application up and running.
+
+Things you may want to cover:
+
+* Ruby version
+
+* System dependencies
+
+* Configuration
+
+* Database creation
+
+* Database initialization
+
+* How to run the test suite
+
+* Services (job queues, cache servers, search engines, etc.)
+
+* Deployment instructions
+
+* ...
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 0000000..9a5ea73
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,6 @@
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require_relative "config/application"
+
+Rails.application.load_tasks
diff --git a/app/assets/images/.keep b/app/assets/images/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/app/assets/images/.keep
diff --git a/app/assets/stylesheets/application.css b/app/assets/stylesheets/application.css
new file mode 100644
index 0000000..fe93333
--- /dev/null
+++ b/app/assets/stylesheets/application.css
@@ -0,0 +1,10 @@
+/*
+ * This is a manifest file that'll be compiled into application.css.
+ *
+ * With Propshaft, assets are served efficiently without preprocessing steps. You can still include
+ * application-wide styles in this file, but keep in mind that CSS precedence will follow the standard
+ * cascading order, meaning styles declared later in the document or manifest will override earlier ones,
+ * depending on specificity.
+ *
+ * Consider organizing styles into separate files for maintainability.
+ */
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
new file mode 100644
index 0000000..0d95db2
--- /dev/null
+++ b/app/controllers/application_controller.rb
@@ -0,0 +1,4 @@
+class ApplicationController < ActionController::Base
+  # Only allow modern browsers supporting webp images, web push, badges, import maps, CSS nesting, and CSS :has.
+  allow_browser versions: :modern
+end
diff --git a/app/controllers/concerns/.keep b/app/controllers/concerns/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/app/controllers/concerns/.keep
diff --git a/app/controllers/crops_controller.rb b/app/controllers/crops_controller.rb
new file mode 100644
index 0000000..9619852
--- /dev/null
+++ b/app/controllers/crops_controller.rb
@@ -0,0 +1,70 @@
+class CropsController < ApplicationController
+  before_action :set_crop, only: %i[ show edit update destroy ]
+
+  # GET /crops or /crops.json
+  def index
+    @crops = Crop.all
+  end
+
+  # GET /crops/1 or /crops/1.json
+  def show
+  end
+
+  # GET /crops/new
+  def new
+    @crop = Crop.new
+  end
+
+  # GET /crops/1/edit
+  def edit
+  end
+
+  # POST /crops or /crops.json
+  def create
+    @crop = Crop.new(crop_params)
+
+    respond_to do |format|
+      if @crop.save
+        format.html { redirect_to @crop, notice: "Crop was successfully created." }
+        format.json { render :show, status: :created, location: @crop }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @crop.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /crops/1 or /crops/1.json
+  def update
+    respond_to do |format|
+      if @crop.update(crop_params)
+        format.html { redirect_to @crop, notice: "Crop was successfully updated.", status: :see_other }
+        format.json { render :show, status: :ok, location: @crop }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @crop.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /crops/1 or /crops/1.json
+  def destroy
+    @crop.destroy!
+
+    respond_to do |format|
+      format.html { redirect_to crops_path, notice: "Crop was successfully destroyed.", status: :see_other }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_crop
+      @crop = Crop.find(params.expect(:id))
+    end
+
+    # Only allow a list of trusted parameters through.
+    def crop_params
+      params.expect(crop: [ :name, :crop_type, :nno3, :p, :k, :ca, :mg, :s, :na, :cl, :si, :fe, :zn, :b, :mn, :cu, :mo, :nnh4 ])
+    end
+end
diff --git a/app/controllers/dashboard_controller.rb b/app/controllers/dashboard_controller.rb
new file mode 100644
index 0000000..4e9d560
--- /dev/null
+++ b/app/controllers/dashboard_controller.rb
@@ -0,0 +1,45 @@
+class DashboardController < ApplicationController
+  def index
+    # Raft allocation by crop type
+    @raft_data = raft_data_series
+
+    # Nutrient target table
+    @latest_measurement = NutrientMeasurement.order(measured_on: :desc, created_at: :desc).first
+    @target = TargetNutrientCalculator.call
+
+    # Measurement history table
+    @measurements = NutrientMeasurement.order(measured_on: :desc).limit(10)
+
+    @npk_measurement_data = measurement_data_series(:nno3, :p, :k)
+    @ammonium_measurement_data = measurement_data_series(:nnh4)
+  end
+
+  private
+
+  def raft_data_series
+    data_series = []
+
+    counts = Raft.left_outer_joins(:crop)
+               .group("crops.name", "crops.crop_type")
+               .count
+
+    counts.each do |(crop_name, crop_type), count|
+      name = (crop_name || "unassigned").titleize
+      type = (crop_type || "unassigned").titleize
+      data = { type => count }
+      data_series << { name:, data: }
+    end
+
+    unassigned, assigned = data_series.partition { |s| s[:name].casecmp("unassigned").zero? }
+    assigned + unassigned
+  end
+
+  def measurement_data_series(*nutrients)
+    nutrients.map do |formula|
+      { name: Nutrient.find_by!(formula:).name,
+        data: NutrientMeasurement
+          .order(:measured_on)
+          .pluck(:measured_on, formula) }
+    end
+  end
+end
diff --git a/app/controllers/fertilizer_products_controller.rb b/app/controllers/fertilizer_products_controller.rb
new file mode 100644
index 0000000..ff0d945
--- /dev/null
+++ b/app/controllers/fertilizer_products_controller.rb
@@ -0,0 +1,70 @@
+class FertilizerProductsController < ApplicationController
+  before_action :set_fertilizer_product, only: %i[ show edit update destroy ]
+
+  # GET /fertilizer_products or /fertilizer_products.json
+  def index
+    @fertilizer_products = FertilizerProduct.all
+  end
+
+  # GET /fertilizer_products/1 or /fertilizer_products/1.json
+  def show
+  end
+
+  # GET /fertilizer_products/new
+  def new
+    @fertilizer_product = FertilizerProduct.new
+  end
+
+  # GET /fertilizer_products/1/edit
+  def edit
+  end
+
+  # POST /fertilizer_products or /fertilizer_products.json
+  def create
+    @fertilizer_product = FertilizerProduct.new(fertilizer_product_params)
+
+    respond_to do |format|
+      if @fertilizer_product.save
+        format.html { redirect_to @fertilizer_product, notice: "Fertilizer product was successfully created." }
+        format.json { render :show, status: :created, location: @fertilizer_product }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @fertilizer_product.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /fertilizer_products/1 or /fertilizer_products/1.json
+  def update
+    respond_to do |format|
+      if @fertilizer_product.update(fertilizer_product_params)
+        format.html { redirect_to @fertilizer_product, notice: "Fertilizer product was successfully updated.", status: :see_other }
+        format.json { render :show, status: :ok, location: @fertilizer_product }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @fertilizer_product.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /fertilizer_products/1 or /fertilizer_products/1.json
+  def destroy
+    @fertilizer_product.destroy!
+
+    respond_to do |format|
+      format.html { redirect_to fertilizer_products_path, notice: "Fertilizer product was successfully destroyed.", status: :see_other }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_fertilizer_product
+      @fertilizer_product = FertilizerProduct.find(params.expect(:id))
+    end
+
+    # Only allow a list of trusted parameters through.
+    def fertilizer_product_params
+      params.expect(fertilizer_product: [ :name, :purity ])
+    end
+end
diff --git a/app/controllers/fertilizers_controller.rb b/app/controllers/fertilizers_controller.rb
new file mode 100644
index 0000000..040c462
--- /dev/null
+++ b/app/controllers/fertilizers_controller.rb
@@ -0,0 +1,70 @@
+class FertilizersController < ApplicationController
+  before_action :set_fertilizer, only: %i[ show edit update destroy ]
+
+  # GET /fertilizers or /fertilizers.json
+  def index
+    @fertilizers = Fertilizer.all
+  end
+
+  # GET /fertilizers/1 or /fertilizers/1.json
+  def show
+  end
+
+  # GET /fertilizers/new
+  def new
+    @fertilizer = Fertilizer.new
+  end
+
+  # GET /fertilizers/1/edit
+  def edit
+  end
+
+  # POST /fertilizers or /fertilizers.json
+  def create
+    @fertilizer = Fertilizer.new(fertilizer_params)
+
+    respond_to do |format|
+      if @fertilizer.save
+        format.html { redirect_to @fertilizer, notice: "Fertilizer was successfully created." }
+        format.json { render :show, status: :created, location: @fertilizer }
+      else
+        format.html { render :new, status: :unprocessable_entity }
+        format.json { render json: @fertilizer.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /fertilizers/1 or /fertilizers/1.json
+  def update
+    respond_to do |format|
+      if @fertilizer.update(fertilizer_params)
+        format.html { redirect_to @fertilizer, notice: "Fertilizer was successfully updated.", status: :see_other }
+        format.json { render :show, status: :ok, location: @fertilizer }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+        format.json { render json: @fertilizer.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /fertilizers/1 or /fertilizers/1.json
+  def destroy
+    @fertilizer.destroy!
+
+    respond_to do |format|
+      format.html { redirect_to fertilizers_path, notice: "Fertilizer was successfully destroyed.", status: :see_other }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_fertilizer
+      @fertilizer = Fertilizer.find(params.expect(:id))
+    end
+
+    # Only allow a list of trusted parameters through.
+    def fertilizer_params
+      params.expect(fertilizer: [ :name, :formula, :nno3, :nnh4, :p, :k, :ca, :mg, :s, :na, :cl, :si, :fe, :zn, :b, :mn, :cu, :mo ])
+    end
+end
diff --git a/app/controllers/nutrient_measurement_controller.rb b/app/controllers/nutrient_measurement_controller.rb
new file mode 100644
index 0000000..6d26bfa
--- /dev/null
+++ b/app/controllers/nutrient_measurement_controller.rb
@@ -0,0 +1,4 @@
+class NutrientMeasurementController < ApplicationController
+  def index
+  end
+end
diff --git a/app/controllers/rafts_controller.rb b/app/controllers/rafts_controller.rb
new file mode 100644
index 0000000..96d99fd
--- /dev/null
+++ b/app/controllers/rafts_controller.rb
@@ -0,0 +1,54 @@
+class RaftsController < ApplicationController
+  before_action :set_collections, only: [ :editor ]
+
+  def index
+    redirect_to editor_rafts_path
+  end
+
+  def editor
+    # @beds, @crops set in before_action
+  end
+
+  # 1) Assign ALL rafts
+  def assign_all
+    crop_id = normalized_crop_id(params[:crop_id])
+    Raft.update_all(crop_id: crop_id) # nil ok
+    redirect_to editor_rafts_path, notice: "All rafts updated."
+  end
+
+  # 2) Assign all rafts in ONE bed
+  def assign_bed
+    bed = Bed.find(params.require(:bed_id))
+    crop_id = normalized_crop_id(params[:crop_id])
+    bed.rafts.update_all(crop_id: crop_id)
+    redirect_to editor_rafts_path, notice: "Bed ##{bed.location} updated."
+  end
+
+  # 3) Assign ONE raft
+  def assign_one
+    raft = Raft.find(params[:id])
+    val  = params[:crop_id].to_s
+
+    if val.blank? || val.casecmp("null").zero?
+      # Skip validations; write NULL directly
+      raft.update_column(:crop_id, nil)
+    else
+      raft.update!(crop_id: val)
+    end
+
+    redirect_to editor_rafts_path(anchor: "bed-#{raft.bed_id}"), notice: "Raft updated."
+  end
+
+  private
+
+  def set_collections
+    @beds  = Bed.order(:location)
+    @crops = Crop.order(:name)
+  end
+
+  # Accept "", "null" → nil to allow clearing
+  def normalized_crop_id(val)
+    return nil if val.blank? || val.to_s.downcase == "null"
+    val
+  end
+end
diff --git a/app/controllers/recipes_controller.rb b/app/controllers/recipes_controller.rb
new file mode 100644
index 0000000..bcc29e7
--- /dev/null
+++ b/app/controllers/recipes_controller.rb
@@ -0,0 +1,8 @@
+class RecipesController < ApplicationController
+   def show
+     @latest = NutrientMeasurement.order(:measured_on).last || NutrientMeasurement.new
+     @target = TargetNutrientCalculator.call
+     volume = (params[:volume].presence || 100_000).to_i
+     @recipe = FertilizerRecipeCalculator.call(@latest, @target, water_volume_l: volume)
+  end
+end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
new file mode 100644
index 0000000..de6be79
--- /dev/null
+++ b/app/helpers/application_helper.rb
@@ -0,0 +1,2 @@
+module ApplicationHelper
+end
diff --git a/app/helpers/dashboard_helper.rb b/app/helpers/dashboard_helper.rb
new file mode 100644
index 0000000..5d64d17
--- /dev/null
+++ b/app/helpers/dashboard_helper.rb
@@ -0,0 +1,8 @@
+module DashboardHelper
+  def fmt2(v) = number_with_precision(v, precision: 2)
+
+  # Total nitrogen (NO3-N + NH4-N)
+  def total_n(measurement)
+    (measurement.nno3.to_f) + (measurement.nnh4.to_f)
+  end
+end
diff --git a/app/helpers/nutrients_helper.rb b/app/helpers/nutrients_helper.rb
new file mode 100644
index 0000000..de98dc3
--- /dev/null
+++ b/app/helpers/nutrients_helper.rb
@@ -0,0 +1,21 @@
+module NutrientsHelper
+  NUTRIENTS = %i[nno3 p k ca mg s na cl si fe zn b mn cu mo nnh4].freeze
+
+  def percent_delta(measured, target)
+    return 0.0 if target.to_f.zero?
+    ((measured.to_f - target.to_f) / target.to_f) * 100.0
+  end
+
+  def fmt(v)
+    number_with_precision(v, precision: 2, strip_insignificant_zeros: true)
+  end
+
+  def delta_badge_class(delta)
+    d = delta.abs
+    case d
+    when d < 0 then "bg-info"
+    when 0..5 then "bg-secondary"
+    else "bg-warning"
+    end
+  end
+end
diff --git a/app/helpers/recipes_helper.rb b/app/helpers/recipes_helper.rb
new file mode 100644
index 0000000..02cb1a7
--- /dev/null
+++ b/app/helpers/recipes_helper.rb
@@ -0,0 +1,16 @@
+module RecipesHelper
+  def commercial_name_for(component)
+    # Try to find a FertilizerProduct via a join, but gracefully fallback.
+    if defined?(FertilizerProduct) && defined?(FertilizerComposition)
+      prod = FertilizerProduct.joins(:fertilizer_compositions)
+               .where(fertilizer_compositions: { fertilizer_component_id: component.id })
+               .first
+      return prod.name if prod&.name.present?
+    end
+    component.name.presence || component.formula
+  end
+
+  def fmt_kg(v)
+    number_with_precision(v.to_f, precision: 2, strip_insignificant_zeros: true)
+  end
+end
diff --git a/app/javascript/application.js b/app/javascript/application.js
new file mode 100644
index 0000000..beff742
--- /dev/null
+++ b/app/javascript/application.js
@@ -0,0 +1 @@
+// Configure your import map in config/importmap.rb. Read more: https://github.com/rails/importmap-rails
diff --git a/app/jobs/application_job.rb b/app/jobs/application_job.rb
new file mode 100644
index 0000000..d394c3d
--- /dev/null
+++ b/app/jobs/application_job.rb
@@ -0,0 +1,7 @@
+class ApplicationJob < ActiveJob::Base
+  # Automatically retry jobs that encountered a deadlock
+  # retry_on ActiveRecord::Deadlocked
+
+  # Most jobs are safe to ignore if the underlying records are no longer available
+  # discard_on ActiveJob::DeserializationError
+end
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
new file mode 100644
index 0000000..3c34c81
--- /dev/null
+++ b/app/mailers/application_mailer.rb
@@ -0,0 +1,4 @@
+class ApplicationMailer < ActionMailer::Base
+  default from: "from@example.com"
+  layout "mailer"
+end
diff --git a/app/models/application_record.rb b/app/models/application_record.rb
new file mode 100644
index 0000000..b63caeb
--- /dev/null
+++ b/app/models/application_record.rb
@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  primary_abstract_class
+end
diff --git a/app/models/bed.rb b/app/models/bed.rb
new file mode 100644
index 0000000..33eafd2
--- /dev/null
+++ b/app/models/bed.rb
@@ -0,0 +1,4 @@
+class Bed < ApplicationRecord
+  has_many :rafts, -> { order(:location) }, dependent: :destroy
+  validates :location, presence: true, uniqueness: true
+end
diff --git a/app/models/concerns/.keep b/app/models/concerns/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/app/models/concerns/.keep
diff --git a/app/models/crop.rb b/app/models/crop.rb
new file mode 100644
index 0000000..b0f168d
--- /dev/null
+++ b/app/models/crop.rb
@@ -0,0 +1,4 @@
+class Crop < ApplicationRecord
+  has_many :rafts
+  enum :crop_type, { leafy: 0, fruit: 1, herb: 2 }
+end
diff --git a/app/models/fertilizer_component.rb b/app/models/fertilizer_component.rb
new file mode 100644
index 0000000..701ae9b
--- /dev/null
+++ b/app/models/fertilizer_component.rb
@@ -0,0 +1,3 @@
+class FertilizerComponent < ApplicationRecord
+  validates :name, presence: true
+end
diff --git a/app/models/fertilizer_composition.rb b/app/models/fertilizer_composition.rb
new file mode 100644
index 0000000..cf2bb93
--- /dev/null
+++ b/app/models/fertilizer_composition.rb
@@ -0,0 +1,6 @@
+class FertilizerComposition < ApplicationRecord
+  belongs_to :fertilizer_product
+  belongs_to :fertilizer_component
+
+  validates :percent_w, numericality: { greater_than: 0, less_than_or_equal_to: 100 }
+end
diff --git a/app/models/fertilizer_product.rb b/app/models/fertilizer_product.rb
new file mode 100644
index 0000000..e41316b
--- /dev/null
+++ b/app/models/fertilizer_product.rb
@@ -0,0 +1,7 @@
+class FertilizerProduct < ApplicationRecord
+  has_many :fertilizer_compositions, dependent: :destroy
+  has_many :fertilizer_components, through: :fertilizer_compositions
+
+  validates :name, presence: true, uniqueness: true
+  validates :purity, numericality: { greater_than: 0, less_than_or_equal_to: 100 }
+end
diff --git a/app/models/nutrient.rb b/app/models/nutrient.rb
new file mode 100644
index 0000000..c584668
--- /dev/null
+++ b/app/models/nutrient.rb
@@ -0,0 +1,7 @@
+class Nutrient < ApplicationRecord
+  validates :formula, presence: true, uniqueness: true
+  validates :name, presence: true
+
+  before_update { raise ActiveRecord::ReadOnlyRecord }
+  before_destroy { raise ActiveRecord::ReadOnlyRecord }
+end
diff --git a/app/models/nutrient_measurement.rb b/app/models/nutrient_measurement.rb
new file mode 100644
index 0000000..f1d6d5b
--- /dev/null
+++ b/app/models/nutrient_measurement.rb
@@ -0,0 +1,4 @@
+class NutrientMeasurement < ApplicationRecord
+  validates :measured_on, presence: true
+  validates :measured_on, uniqueness: true
+end
diff --git a/app/models/raft.rb b/app/models/raft.rb
new file mode 100644
index 0000000..af52700
--- /dev/null
+++ b/app/models/raft.rb
@@ -0,0 +1,5 @@
+class Raft < ApplicationRecord
+  belongs_to :bed
+  belongs_to :crop
+  validates :location, presence: true, uniqueness: { scope: :bed_id }
+end
diff --git a/app/services/fertilizer_recipe_calculator.rb b/app/services/fertilizer_recipe_calculator.rb
new file mode 100644
index 0000000..28ba8aa
--- /dev/null
+++ b/app/services/fertilizer_recipe_calculator.rb
@@ -0,0 +1,136 @@
+class FertilizerRecipeCalculator
+  NUTRIENTS = %i[nno3 p k ca mg s nnh4].freeze
+
+  def self.call(latest, target, water_volume_l: 100_000)
+    new(latest, target, water_volume_l).call
+  end
+
+  def initialize(latest, target, water_volume_l)
+    @latest = latest || NutrientMeasurement.new
+    @target = target  || NutrientMeasurement.new
+    @vol_l  = water_volume_l.to_f
+  end
+
+  # Returns a Hash { FertilizerComponent => qty_kg }
+  def call
+    deltas_mg_per_l = NUTRIENTS.index_with do |k|
+      [ (value(@target, k) - value(@latest, k)), 0 ].max
+    end
+
+    # mg/L * L = mg -> kg
+    needed_kg = deltas_mg_per_l.transform_values { |mg_l| mg_l * @vol_l / 1_000_000.0 }
+
+    recipe = Hash.new(0.0)
+
+    # 1) P via MAP or DAP (accounts NH4-N)
+    if (p_need = needed_kg[:p]) > 0
+      map = fc_by_formula("MAP") || fc_by_name_like("monoammonium phosphate")
+      dap = fc_by_formula("DAP") || fc_by_name_like("diammonium phosphate")
+      carrier = [ map, dap ].compact.find { |c| positive?(c.p) }
+      if carrier
+        kg = kg_for(p_need, carrier.p)
+        recipe[carrier] += kg
+        needed_kg[:nnh4] = [ needed_kg[:nnh4] - kg * pct(carrier.nnh4), 0 ].max if positive?(carrier.nnh4)
+        needed_kg[:p] = 0
+      end
+    end
+
+    # 2) NO3-N via KNO3 then Ca(NO3)2 (accounts K/Ca)
+    if (n_need = needed_kg[:nno3]) > 0
+      kno3 = fc_by_formula("KNO3") || fc_by_name_like("potassium nitrate")
+      can  = fc_by_formula("Ca(NO3)2") || fc_by_name_like("calcium nitrate")
+
+      if kno3&.nno3.to_f > 0
+        kg = kg_for(n_need, kno3.nno3)
+        recipe[kno3] += kg
+        needed_kg[:k]  = [ needed_kg[:k]  - kg * pct(kno3.k),  0 ].max
+        n_need         -= kg * pct(kno3.nno3)
+      end
+
+      if n_need > 0 && can&.nno3.to_f > 0
+        kg = kg_for(n_need, can.nno3)
+        recipe[can] += kg
+        needed_kg[:ca] = [ needed_kg[:ca] - kg * pct(can.ca), 0 ].max
+        n_need = 0
+      end
+
+      needed_kg[:nno3] = [ n_need, 0 ].max
+    end
+
+    # 3) K via K2SO4 (accounts S)
+    if (k_need = needed_kg[:k]) > 0
+      sop = fc_by_formula("K2SO4") || fc_by_name_like("potassium sulfate")
+      if sop&.k.to_f > 0
+        kg = kg_for(k_need, sop.k)
+        recipe[sop] += kg
+        needed_kg[:s] = [ needed_kg[:s] - kg * pct(sop.s), 0 ].max
+        needed_kg[:k] = 0
+      end
+    end
+
+    # 4) Ca via Ca(NO3)2 (accounts NO3-N)
+    if (ca_need = needed_kg[:ca]) > 0
+      can = recipe.keys.find { |c| norm_formula(c) == "ca(no3)2" } ||
+            fc_by_formula("Ca(NO3)2") || fc_by_name_like("calcium nitrate")
+      if can&.ca.to_f > 0
+        kg = kg_for(ca_need, can.ca)
+        recipe[can] += kg
+        needed_kg[:nno3] = [ needed_kg[:nno3] - kg * pct(can.nno3), 0 ].max
+        needed_kg[:ca] = 0
+      end
+    end
+
+    # 5) Mg via MgSO4 (accounts S)
+    if (mg_need = needed_kg[:mg]) > 0
+      mgs = fc_by_formula("MgSO4") || fc_by_name_like("magnesium sulfate")
+      if mgs&.mg.to_f > 0
+        kg = kg_for(mg_need, mgs.mg)
+        recipe[mgs] += kg
+        needed_kg[:s] = [ needed_kg[:s] - kg * pct(mgs.s), 0 ].max
+        needed_kg[:mg] = 0
+      end
+    end
+
+    # 6) S via K2SO4 or MgSO4 (whichever we already used or find)
+    if (s_need = needed_kg[:s]) > 0
+      sop = recipe.keys.find { |c| norm_formula(c) == "k2so4" } ||
+            fc_by_formula("K2SO4") || fc_by_name_like("potassium sulfate")
+      mgs = recipe.keys.find { |c| norm_formula(c) == "mgso4" } ||
+            fc_by_formula("MgSO4") || fc_by_name_like("magnesium sulfate")
+      carrier = [ sop, mgs ].compact.find { |c| positive?(c.s) }
+      if carrier
+        kg = kg_for(s_need, carrier.s)
+        recipe[carrier] += kg
+        needed_kg[:k]  = [ needed_kg[:k]  - kg * pct(carrier.k),  0 ].max if positive?(carrier.k)
+        needed_kg[:mg] = [ needed_kg[:mg] - kg * pct(carrier.mg), 0 ].max if positive?(carrier.mg)
+        needed_kg[:s] = 0
+      end
+    end
+
+    recipe.delete_if { |_c, kg| kg < 0.01 }
+    recipe
+  end
+
+  private
+
+  def value(obj, key) = obj.public_send(key).to_f
+
+  def fc_by_formula(formula)
+    FertilizerComponent.where("LOWER(formula) = ?", formula.to_s.downcase).first
+  end
+
+  def fc_by_name_like(name)
+    FertilizerComponent.where("LOWER(name) LIKE ?", "%#{name.downcase}%").first
+  end
+
+  def kg_for(need_kg_element, percent_in_product)
+    return 0.0 unless positive?(percent_in_product)
+    need_kg_element / pct(percent_in_product)
+  end
+
+  def pct(v) = v.to_f / 100.0
+
+  def positive?(v) = v.to_f > 0.0
+
+  def norm_formula(c) = c.formula.to_s.downcase.gsub(/\s+/, "")
+end
diff --git a/app/services/target_nutrient_calculator.rb b/app/services/target_nutrient_calculator.rb
new file mode 100644
index 0000000..e6cd378
--- /dev/null
+++ b/app/services/target_nutrient_calculator.rb
@@ -0,0 +1,33 @@
+class TargetNutrientCalculator
+  # Derive nutrient columns from the NutrientMeasurement table
+  NUTRIENT_COLUMNS = (NutrientMeasurement.column_names - %w[id measured_on created_at updated_at])
+                      .map!(&:to_sym)
+                      .freeze
+
+  # Returns an unsaved NutrientMeasurement with target concentrations (e.g., mg/L)
+  def self.call
+    rafts = Raft.includes(:crop).where.not(crop_id: nil)
+    total = rafts.count
+    return empty_measurement if total.zero?
+
+    sums = Hash.new(0.0)
+
+    rafts.each do |raft|
+      NUTRIENT_COLUMNS.each do |col|
+        v = raft.crop.public_send(col)
+        sums[col] += v.to_f if v
+      end
+    end
+
+    targets = sums.transform_values { |s| s / total }
+    NutrientMeasurement.new({ measured_on: Date.current }.merge(targets))
+  end
+
+  private
+
+  def empty_measurement
+    NutrientMeasurement.new(
+      { measured_on: Date.current }.merge(NUTRIENT_COLUMNS.index_with { 0.0 })
+    )
+  end
+end
diff --git a/app/views/application/_copyright_footer.html.erb b/app/views/application/_copyright_footer.html.erb
new file mode 100644
index 0000000..4a6d240
--- /dev/null
+++ b/app/views/application/_copyright_footer.html.erb
@@ -0,0 +1,10 @@
+<footer class="footer mt-auto py-3">
+    <div class="container d-flex justify-content-between">
+        <span class="text-muted">&copy; 2025 FAPG. All rights reserved.</span>
+        <ul class="list-inline">
+            <li class="list-inline-item"><a href="#" class="text-muted">Privacy Policy</a></li>
+            <li class="list-inline-item"><a href="#" class="text-muted">Terms of Use</a></li>
+            <li class="list-inline-item"><a href="#" class="text-muted">Contact Us</a></li>
+        </ul>
+    </div>
+</footer>
diff --git a/app/views/application/_navbar.html.erb b/app/views/application/_navbar.html.erb
new file mode 100644
index 0000000..9fa250a
--- /dev/null
+++ b/app/views/application/_navbar.html.erb
@@ -0,0 +1,33 @@
+<nav class="navbar navbar-expand-lg navbar-light bg-light">
+    <div class="container-fluid">
+	<span class="navbar-brand">FAPG</span>
+
+	<button class="navbar-toggler"
+		type="button"
+		data-bs-toggle="collapse"
+		data-bs-target="#navbarSupportedContent"
+		aria-controls="navbarSupportedContent"
+		aria-expanded="false"
+		aria-label="Toggle navigation">
+	    <span class="navbar-toggler-icon"></span>
+	</button>
+
+	<div class="collapse navbar-collapse" id="navbarSupportedContent">
+	    <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+		<li class="nav-item">
+		    <%= link_to "Home", root_path, class: "nav-link" %>
+		</li>
+		<li class="nav-item">		    
+		    <%= link_to "Ferti", root_path, class: "nav-link" %>
+		</li>
+		<li class="nav-item">
+		    <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Inventory</a>
+		</li>
+		<li class="nav-item">
+		    <a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Billing</a>
+		</li>
+	    </ul>
+	    
+	</div>
+    </div>
+</nav>
diff --git a/app/views/crops/_crop.html.erb b/app/views/crops/_crop.html.erb
new file mode 100644
index 0000000..e9b9b4d
--- /dev/null
+++ b/app/views/crops/_crop.html.erb
@@ -0,0 +1,92 @@
+<div id="<%= dom_id crop %>">
+  <p>
+    <strong>Name:</strong>
+    <%= crop.name %>
+  </p>
+
+  <p>
+    <strong>Crop type:</strong>
+    <%= crop.crop_type %>
+  </p>
+
+  <p>
+    <strong>Nno3:</strong>
+    <%= crop.nno3 %>
+  </p>
+
+  <p>
+    <strong>P:</strong>
+    <%= crop.p %>
+  </p>
+
+  <p>
+    <strong>K:</strong>
+    <%= crop.k %>
+  </p>
+
+  <p>
+    <strong>Ca:</strong>
+    <%= crop.ca %>
+  </p>
+
+  <p>
+    <strong>Mg:</strong>
+    <%= crop.mg %>
+  </p>
+
+  <p>
+    <strong>S:</strong>
+    <%= crop.s %>
+  </p>
+
+  <p>
+    <strong>Na:</strong>
+    <%= crop.na %>
+  </p>
+
+  <p>
+    <strong>Cl:</strong>
+    <%= crop.cl %>
+  </p>
+
+  <p>
+    <strong>Si:</strong>
+    <%= crop.si %>
+  </p>
+
+  <p>
+    <strong>Fe:</strong>
+    <%= crop.fe %>
+  </p>
+
+  <p>
+    <strong>Zn:</strong>
+    <%= crop.zn %>
+  </p>
+
+  <p>
+    <strong>B:</strong>
+    <%= crop.b %>
+  </p>
+
+  <p>
+    <strong>Mn:</strong>
+    <%= crop.mn %>
+  </p>
+
+  <p>
+    <strong>Cu:</strong>
+    <%= crop.cu %>
+  </p>
+
+  <p>
+    <strong>Mo:</strong>
+    <%= crop.mo %>
+  </p>
+
+  <p>
+    <strong>Nnh4:</strong>
+    <%= crop.nnh4 %>
+  </p>
+
+</div>
diff --git a/app/views/crops/_form.html.erb b/app/views/crops/_form.html.erb
new file mode 100644
index 0000000..90226b6
--- /dev/null
+++ b/app/views/crops/_form.html.erb
@@ -0,0 +1,107 @@
+<%= form_with(model: crop) do |form| %>
+  <% if crop.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(crop.errors.count, "error") %> prohibited this crop from being saved:</h2>
+
+      <ul>
+        <% crop.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.label :name, style: "display: block" %>
+    <%= form.text_field :name %>
+  </div>
+
+  <div>
+    <%= form.label :crop_type, style: "display: block" %>
+    <%= form.number_field :crop_type %>
+  </div>
+
+  <div>
+    <%= form.label :nno3, style: "display: block" %>
+    <%= form.text_field :nno3 %>
+  </div>
+
+  <div>
+    <%= form.label :p, style: "display: block" %>
+    <%= form.text_field :p %>
+  </div>
+
+  <div>
+    <%= form.label :k, style: "display: block" %>
+    <%= form.text_field :k %>
+  </div>
+
+  <div>
+    <%= form.label :ca, style: "display: block" %>
+    <%= form.text_field :ca %>
+  </div>
+
+  <div>
+    <%= form.label :mg, style: "display: block" %>
+    <%= form.text_field :mg %>
+  </div>
+
+  <div>
+    <%= form.label :s, style: "display: block" %>
+    <%= form.text_field :s %>
+  </div>
+
+  <div>
+    <%= form.label :na, style: "display: block" %>
+    <%= form.text_field :na %>
+  </div>
+
+  <div>
+    <%= form.label :cl, style: "display: block" %>
+    <%= form.text_field :cl %>
+  </div>
+
+  <div>
+    <%= form.label :si, style: "display: block" %>
+    <%= form.text_field :si %>
+  </div>
+
+  <div>
+    <%= form.label :fe, style: "display: block" %>
+    <%= form.text_field :fe %>
+  </div>
+
+  <div>
+    <%= form.label :zn, style: "display: block" %>
+    <%= form.text_field :zn %>
+  </div>
+
+  <div>
+    <%= form.label :b, style: "display: block" %>
+    <%= form.text_field :b %>
+  </div>
+
+  <div>
+    <%= form.label :mn, style: "display: block" %>
+    <%= form.text_field :mn %>
+  </div>
+
+  <div>
+    <%= form.label :cu, style: "display: block" %>
+    <%= form.text_field :cu %>
+  </div>
+
+  <div>
+    <%= form.label :mo, style: "display: block" %>
+    <%= form.text_field :mo %>
+  </div>
+
+  <div>
+    <%= form.label :nnh4, style: "display: block" %>
+    <%= form.text_field :nnh4 %>
+  </div>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>
diff --git a/app/views/crops/edit.html.erb b/app/views/crops/edit.html.erb
new file mode 100644
index 0000000..54c616c
--- /dev/null
+++ b/app/views/crops/edit.html.erb
@@ -0,0 +1,12 @@
+<% content_for :title, "Editing crop" %>
+
+<h1>Editing crop</h1>
+
+<%= render "form", crop: @crop %>
+
+<br>
+
+<div>
+  <%= link_to "Show this crop", @crop %> |
+  <%= link_to "Back to crops", crops_path %>
+</div>
diff --git a/app/views/crops/index.html.erb b/app/views/crops/index.html.erb
new file mode 100644
index 0000000..bae09fa
--- /dev/null
+++ b/app/views/crops/index.html.erb
@@ -0,0 +1,16 @@
+<p style="color: green"><%= notice %></p>
+
+<% content_for :title, "Crops" %>
+
+<h1>Crops</h1>
+
+<div id="crops">
+  <% @crops.each do |crop| %>
+    <%= render crop %>
+    <p>
+      <%= link_to "Show this crop", crop %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New crop", new_crop_path %>
diff --git a/app/views/crops/new.html.erb b/app/views/crops/new.html.erb
new file mode 100644
index 0000000..4ef4da5
--- /dev/null
+++ b/app/views/crops/new.html.erb
@@ -0,0 +1,11 @@
+<% content_for :title, "New crop" %>
+
+<h1>New crop</h1>
+
+<%= render "form", crop: @crop %>
+
+<br>
+
+<div>
+  <%= link_to "Back to crops", crops_path %>
+</div>
diff --git a/app/views/crops/show.html.erb b/app/views/crops/show.html.erb
new file mode 100644
index 0000000..971f097
--- /dev/null
+++ b/app/views/crops/show.html.erb
@@ -0,0 +1,10 @@
+<p style="color: green"><%= notice %></p>
+
+<%= render @crop %>
+
+<div>
+  <%= link_to "Edit this crop", edit_crop_path(@crop) %> |
+  <%= link_to "Back to crops", crops_path %>
+
+  <%= button_to "Destroy this crop", @crop, method: :delete %>
+</div>
diff --git a/app/views/dashboard/_raft_allocation.html.erb b/app/views/dashboard/_raft_allocation.html.erb
new file mode 100644
index 0000000..ef95cdd
--- /dev/null
+++ b/app/views/dashboard/_raft_allocation.html.erb
@@ -0,0 +1,9 @@
+<div class="card shadow mb-4">
+    <div class="card-header d-flex justify-content-between align-items-center">
+	<h5 class="mb-0">Raft Allocation</h5>
+	<%= link_to "Edit raft allocation", editor_rafts_path, class: "btn btn-sm btn-primary" %>
+    </div>
+
+    <%= bar_chart @raft_data, stacked: true %>
+</div>
+
diff --git a/app/views/dashboard/_recent_measurements.html.erb b/app/views/dashboard/_recent_measurements.html.erb
new file mode 100644
index 0000000..bc63a60
--- /dev/null
+++ b/app/views/dashboard/_recent_measurements.html.erb
@@ -0,0 +1,22 @@
+<div class="card shadow mb-4">
+    <div class="card-header d-flex justify-content-between align-items-center">
+	<h5 class="mb-0">Nutrient Measurements</h5>
+	<div class="btn-group">
+	    <%#= link_to "Add new measurement", editor_rafts_path, class: "btn btn-sm btn-primary" %>
+	    <%#= link_to "View all", editor_rafts_path, class: "btn btn-sm btn-secondary" %>
+	</div>
+    </div>
+
+    <div class="card-body p-0">
+	<div class="container mb-3">
+	    <%= line_chart @npk_measurement_data,
+			   title: "NPK",
+			   ytitle: "Concentration (mg/L)" %>
+	</div>
+	<div class="container mb-3">
+	    <%= line_chart @ammonium_measurement_data,
+			   title: "Ammonium",
+			   ytitle: "Concentration (mg/L)" %>
+	</div>
+    </div>
+</div>
diff --git a/app/views/dashboard/_target_table.html.erb b/app/views/dashboard/_target_table.html.erb
new file mode 100644
index 0000000..b8f7e66
--- /dev/null
+++ b/app/views/dashboard/_target_table.html.erb
@@ -0,0 +1,40 @@
+<div class="card shadow mb-4">
+    <div class="card-header d-flex justify-content-between align-items-center">
+	<h5 class="mb-0">Target nutrient concentrations</h5>
+	<%= link_to "Get Ferti© recipe", ferti_recipe_path, class: "btn btn-sm btn-primary" %>
+    </div>
+
+    <div class="table-responsive">
+	<table class="table table-sm align-middle mb-0">
+	    <thead class="table-light">
+		<tr>
+		    <th scope="col" class="text-nowrap">Nutrient</th>
+		    <th scope="col" class="text-end"> Latest (mg/L)
+		    </th>
+		    <th scope="col" class="text-end">Target (mg/L)</th>
+		    <th scope="col" class="text-end">Δ %</th>
+		</tr>
+	    </thead>
+	    <tbody>
+		<% NutrientsHelper::NUTRIENTS.each do |n| %>
+		    <% latest = @latest_measurement[n] || 0 %>
+		    <% target = @target[n] || 0 %>
+		    <% delta = target - latest %>
+		    <tr>
+			<th scope="row" class="text-nowrap"><%= n.upcase %></th>
+			<td class="text-end"><%= fmt(latest) %></td>
+			<td class="text-end"><%= fmt(target) %></td>
+			<td class="text-end">
+			    <span class="badge <%= delta_badge_class(delta) %>">
+				<%= fmt(delta) %>%
+			    </span>
+			</td>
+		    </tr>
+		<% end %>
+	    </tbody>
+	</table>
+    </div>
+    <div class="card-footer">
+	Latest measurement: <%= @latest_measurement.measured_on || "none yet" %>
+    </div>
+</div>
diff --git a/app/views/dashboard/index.html.erb b/app/views/dashboard/index.html.erb
new file mode 100644
index 0000000..2902ada
--- /dev/null
+++ b/app/views/dashboard/index.html.erb
@@ -0,0 +1,7 @@
+<h1 class="display-1">Ferti</h1>
+
+<%= render "raft_allocation" %>
+
+<%= render "target_table" %>
+
+<%= render "recent_measurements" %>
diff --git a/app/views/fertilizer_products/_fertilizer_product.html.erb b/app/views/fertilizer_products/_fertilizer_product.html.erb
new file mode 100644
index 0000000..d84a03d
--- /dev/null
+++ b/app/views/fertilizer_products/_fertilizer_product.html.erb
@@ -0,0 +1,12 @@
+<div id="<%= dom_id fertilizer_product %>">
+  <p>
+    <strong>Name:</strong>
+    <%= fertilizer_product.name %>
+  </p>
+
+  <p>
+    <strong>Purity:</strong>
+    <%= fertilizer_product.purity %>
+  </p>
+
+</div>
diff --git a/app/views/fertilizer_products/_form.html.erb b/app/views/fertilizer_products/_form.html.erb
new file mode 100644
index 0000000..517fe09
--- /dev/null
+++ b/app/views/fertilizer_products/_form.html.erb
@@ -0,0 +1,27 @@
+<%= form_with(model: fertilizer_product) do |form| %>
+  <% if fertilizer_product.errors.any? %>
+    <div style="color: red">
+      <h2><%= pluralize(fertilizer_product.errors.count, "error") %> prohibited this fertilizer_product from being saved:</h2>
+
+      <ul>
+        <% fertilizer_product.errors.each do |error| %>
+          <li><%= error.full_message %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div>
+    <%= form.label :name, style: "display: block" %>
+    <%= form.text_field :name %>
+  </div>
+
+  <div>
+    <%= form.label :purity, style: "display: block" %>
+    <%= form.text_field :purity %>
+  </div>
+
+  <div>
+    <%= form.submit %>
+  </div>
+<% end %>
diff --git a/app/views/fertilizer_products/edit.html.erb b/app/views/fertilizer_products/edit.html.erb
new file mode 100644
index 0000000..aa88dad
--- /dev/null
+++ b/app/views/fertilizer_products/edit.html.erb
@@ -0,0 +1,12 @@
+<% content_for :title, "Editing fertilizer product" %>
+
+<h1>Editing fertilizer product</h1>
+
+<%= render "form", fertilizer_product: @fertilizer_product %>
+
+<br>
+
+<div>
+  <%= link_to "Show this fertilizer product", @fertilizer_product %> |
+  <%= link_to "Back to fertilizer products", fertilizer_products_path %>
+</div>
diff --git a/app/views/fertilizer_products/index.html.erb b/app/views/fertilizer_products/index.html.erb
new file mode 100644
index 0000000..f624ffc
--- /dev/null
+++ b/app/views/fertilizer_products/index.html.erb
@@ -0,0 +1,16 @@
+<p style="color: green"><%= notice %></p>
+
+<% content_for :title, "Fertilizer products" %>
+
+<h1>Fertilizer products</h1>
+
+<div id="fertilizer_products">
+  <% @fertilizer_products.each do |fertilizer_product| %>
+    <%= render fertilizer_product %>
+    <p>
+      <%= link_to "Show this fertilizer product", fertilizer_product %>
+    </p>
+  <% end %>
+</div>
+
+<%= link_to "New fertilizer product", new_fertilizer_product_path %>
diff --git a/app/views/fertilizer_products/new.html.erb b/app/views/fertilizer_products/new.html.erb
new file mode 100644
index 0000000..81aad79
--- /dev/null
+++ b/app/views/fertilizer_products/new.html.erb
@@ -0,0 +1,11 @@
+<% content_for :title, "New fertilizer product" %>
+
+<h1>New fertilizer product</h1>
+
+<%= render "form", fertilizer_product: @fertilizer_product %>
+
+<br>
+
+<div>
+  <%= link_to "Back to fertilizer products", fertilizer_products_path %>
+</div>
diff --git a/app/views/fertilizer_products/show.html.erb b/app/views/fertilizer_products/show.html.erb
new file mode 100644
index 0000000..ea97041
--- /dev/null
+++ b/app/views/fertilizer_products/show.html.erb
@@ -0,0 +1,10 @@
+<p style="color: green"><%= notice %></p>
+
+<%= render @fertilizer_product %>
+
+<div>
+  <%= link_to "Edit this fertilizer product", edit_fertilizer_product_path(@fertilizer_product) %> |
+  <%= link_to "Back to fertilizer products", fertilizer_products_path %>
+
+  <%= button_to "Destroy this fertilizer product", @fertilizer_product, method: :delete %>
+</div>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
new file mode 100644
index 0000000..bf61c9d
--- /dev/null
+++ b/app/views/layouts/application.html.erb
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html>
+    <head>
+	<title><%= content_for(:title) || "Ferti" %></title>
+	<meta name="viewport" content="width=device-width,initial-scale=1">
+	<meta name="apple-mobile-web-app-capable" content="yes">
+	<meta name="mobile-web-app-capable" content="yes">
+	<%= csrf_meta_tags %>
+	<%= csp_meta_tag %>
+
+	<%= yield :head %>
+
+	<%# Enable PWA manifest for installable apps (make sure to enable in config/routes.rb too!) %>
+	<%#= tag.link rel: "manifest", href: pwa_manifest_path(format: :json) %>
+
+	<link rel="icon" href="/icon.png" type="image/png">
+	<link rel="icon" href="/icon.svg" type="image/svg+xml">
+	<link rel="apple-touch-icon" href="/icon.png">
+
+	<%# Includes all stylesheet files in app/assets/stylesheets %>
+	<%= stylesheet_link_tag :app, "data-turbo-track": "reload" %>
+
+	<!-- Bootstrap 5 CSS -->
+	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+
+	<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+	<script src="https://cdn.jsdelivr.net/npm/chartkick@5"></script>
+
+	<script src="https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns/dist/chartjs-adapter-date-fns.bundle.min.js"></script>
+
+	<%= javascript_importmap_tags %>
+    </head>
+
+    <body>
+	<%= render "application/navbar" %>
+
+	<div class="container">
+	    <%= yield %>
+	</div>
+
+	<%= render "application/copyright_footer" %>
+
+	<!-- Bootstrap JS (optional, for dropdowns, etc.) -->
+	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
+    </body>
+</html>
diff --git a/app/views/layouts/mailer.html.erb b/app/views/layouts/mailer.html.erb
new file mode 100644
index 0000000..3aac900
--- /dev/null
+++ b/app/views/layouts/mailer.html.erb
@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <style>
+      /* Email styles need to be inline */
+    </style>
+  </head>
+
+  <body>
+    <%= yield %>
+  </body>
+</html>
diff --git a/app/views/layouts/mailer.text.erb b/app/views/layouts/mailer.text.erb
new file mode 100644
index 0000000..37f0bdd
--- /dev/null
+++ b/app/views/layouts/mailer.text.erb
@@ -0,0 +1 @@
+<%= yield %>
diff --git a/app/views/nutrient_measurement/index.html.erb b/app/views/nutrient_measurement/index.html.erb
new file mode 100644
index 0000000..d9f522e
--- /dev/null
+++ b/app/views/nutrient_measurement/index.html.erb
@@ -0,0 +1,27 @@
+<h1>NutrientMeasurement#index</h1>
+<p>Find me in app/views/nutrient_measurement/index.html.erb</p>
+
+<div class="table-responsive">
+    <table class="table table-sm table-striped table-hover align-middle table-nutrient mb-0">
+	<thead class="table-light">
+	    <tr>
+		<th>Date</th>
+		<th class="numeric" title="Total N = NO₃‑N + NH₄‑N">N (total)</th>
+		<th class="numeric">P</th>
+		<th class="numeric">K</th>
+		<th class="numeric" title="Ammonia nitrogen">NH₄‑N</th>
+	    </tr>
+	</thead>
+	<tbody>
+	    <% @measurements.each do |m| %>
+		<tr>
+		    <td><%= l(m.measured_on) %></td>
+		    <td class="numeric"><%= fmt2(total_n(m)) %></td>
+		    <td class="numeric"><%= fmt2(m.p) %></td>
+		    <td class="numeric"><%= fmt2(m.k) %></td>
+		    <td class="numeric"><%= fmt2(m.nnh4) %></td>
+		</tr>
+	    <% end %>
+	</tbody>
+    </table>
+</div>
diff --git a/app/views/pwa/manifest.json.erb b/app/views/pwa/manifest.json.erb
new file mode 100644
index 0000000..f8908f0
--- /dev/null
+++ b/app/views/pwa/manifest.json.erb
@@ -0,0 +1,22 @@
+{
+  "name": "Ferti",
+  "icons": [
+    {
+      "src": "/icon.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    },
+    {
+      "src": "/icon.png",
+      "type": "image/png",
+      "sizes": "512x512",
+      "purpose": "maskable"
+    }
+  ],
+  "start_url": "/",
+  "display": "standalone",
+  "scope": "/",
+  "description": "Ferti.",
+  "theme_color": "red",
+  "background_color": "red"
+}
diff --git a/app/views/pwa/service-worker.js b/app/views/pwa/service-worker.js
new file mode 100644
index 0000000..b3a13fb
--- /dev/null
+++ b/app/views/pwa/service-worker.js
@@ -0,0 +1,26 @@
+// Add a service worker for processing Web Push notifications:
+//
+// self.addEventListener("push", async (event) => {
+//   const { title, options } = await event.data.json()
+//   event.waitUntil(self.registration.showNotification(title, options))
+// })
+//
+// self.addEventListener("notificationclick", function(event) {
+//   event.notification.close()
+//   event.waitUntil(
+//     clients.matchAll({ type: "window" }).then((clientList) => {
+//       for (let i = 0; i < clientList.length; i++) {
+//         let client = clientList[i]
+//         let clientPath = (new URL(client.url)).pathname
+//
+//         if (clientPath == event.notification.data.path && "focus" in client) {
+//           return client.focus()
+//         }
+//       }
+//
+//       if (clients.openWindow) {
+//         return clients.openWindow(event.notification.data.path)
+//       }
+//     })
+//   )
+// })
diff --git a/app/views/rafts/editor.html.erb b/app/views/rafts/editor.html.erb
new file mode 100644
index 0000000..cde56d8
--- /dev/null
+++ b/app/views/rafts/editor.html.erb
@@ -0,0 +1,108 @@
+<div class="d-flex justify-content-between align-items-center mb-3">
+    <h1 class="display-1">Rafts editor</h1>
+    <%= link_to "Back to dashboard", root_path, class: "btn btn-outline-secondary" %>
+</div>
+
+<!-- Bulk assign all rafts -->
+<div class="card">
+    <div class="card-header">Assign ALL rafts</div>
+    <div class="card-body">
+	<%= form_with url: assign_all_rafts_path, method: :patch, class: "row g-2", data: { turbo: false } do %>
+	    <div class="col-12 col-md-6">
+		<select class="form-select" name="crop_id">
+		    <option value="">— Unassigned (clear) —</option>
+		    <% @crops.each do |crop| %>
+			<option value="<%= crop.id %>"><%= crop.name %></option>
+		    <% end %>
+		</select>
+	    </div>
+	    <div class="col-12 col-md-auto">
+		<button class="btn btn-primary">Apply to all</button>
+	    </div>
+	<% end %>
+    </div>
+</div>
+
+<div class="table-responsive">
+    <table class="table table-sm table-striped text-center align-middle my-3">
+	<thead>
+	    <tr>
+		<th class="text-start">Bed</th>
+		<% max_cols = @beds.map { |b| b.rafts.count }.max %>
+		<% (1..max_cols).each do |i| %>
+		    <th>R<%= i %></th>
+		<% end %>
+	    </tr>
+	</thead>
+	<tbody>
+	    <% @beds.each do |bed| %>
+		<tr>
+		    <th><%= bed.location %></th>
+		    <% bed.rafts.order(:location).each do |raft| %>
+			<td>
+			    <% if raft.crop %>
+				<%= raft.crop.name %>
+			    <% else %>
+				—
+			    <% end %>
+			</td>
+		    <% end %>
+		</tr>
+	    <% end %>
+	</tbody>
+    </table>
+</div>
+
+<!-- Per-bed tables -->
+<% @beds.each do |bed| %>
+    <div class="card mb-3" id="bed-<%= bed.id %>">
+	<div class="card-header d-flex flex-wrap gap-2 align-items-center">
+	    <span class="me-auto">Bed <strong>#<%= bed.location %></strong></span>
+	    <%= form_with url: assign_bed_rafts_path, method: :patch, class: "d-flex gap-2 align-items-center", data: { turbo: false } do %>
+		<input type="hidden" name="bed_id" value="<%= bed.id %>">
+		<select class="form-select" name="crop_id">
+		    <option value="">— Unassigned (clear) —</option>
+		    <% @crops.each do |crop| %>
+			<option value="<%= crop.id %>"><%= crop.name %></option>
+		    <% end %>
+		</select>
+		<button class="btn btn-primary">Apply</button>
+	    <% end %>
+	</div>
+	<div class="card-body p-0">
+	    <div class="table-responsive">
+		<table class="table table-sm mb-0 align-middle">
+		    <thead class="table-light">
+			<tr>
+			    <th class="text-nowrap text-center">Raft</th>
+			    <th>Crop</th>
+			    <th class="text-end">Actions</th>
+			</tr>
+		    </thead>
+		    <tbody>
+			<% bed.rafts.order(:location).each do |raft| %>
+			    <tr>
+				<td class="text-center"><strong><%= raft.location %></strong></td>
+				<td style="max-width: 280px;">
+				    <%= form_with url: assign_one_raft_path(raft), method: :patch, class: "d-flex gap-2", data: { turbo: false } do %>
+					<select class="form-select" name="crop_id">
+					    <option value="">— Unassigned (clear) —</option>
+					    <% @crops.each do |crop| %>
+						<option value="<%= crop.id %>" <%= "selected" if raft.crop_id == crop.id %>><%= crop.name %></option>
+					    <% end %>
+					</select>
+					<button class="btn btn-outline-primary">Save</button>
+				    <% end %>
+				</td>
+				<td class="text-end">
+				    <%= button_to "Clear", assign_one_raft_path(raft, crop_id: ""), method: :patch,
+						  form: { data: { turbo: false } }, class: "btn btn-outline-secondary btn-sm" %>
+				</td>
+			    </tr>
+			<% end %>
+		    </tbody>
+		</table>
+	    </div>
+	</div>
+    </div>
+<% end %>
diff --git a/app/views/recipes/_table.html.erb b/app/views/recipes/_table.html.erb
new file mode 100644
index 0000000..a42a0b9
--- /dev/null
+++ b/app/views/recipes/_table.html.erb
@@ -0,0 +1,32 @@
+<div class="table-responsive">
+    <table class="table table-sm align-middle mb-0">
+	<thead class="table-light">
+	    <tr>
+		<th>Fertilizer product</th>
+		<th class="text-muted">Component</th>
+		<th class="text-end">Qty (kg)</th>
+		<th class="text-end">Per portion (kg)</th>
+	    </tr>
+	</thead>
+	<tbody>
+	    <% pcount = [[portions.to_i, 2].max, 10].min %>
+	    <% recipe&.each do |component, kg| %>
+		<% prod_name = commercial_name_for(component) %>
+		<tr>
+		    <td><strong><%= prod_name %></strong></td>
+		    <td class="text-muted"><small><%= component.name %></small></td>
+		    <td class="text-end fw-semibold"><%= fmt_kg(kg) %></td>
+		    <td class="text-end"><%= fmt_kg(kg / pcount.to_f) %></td>
+		</tr>
+	    <% end %>
+	    <% if recipe.blank? %>
+		<tr><td colspan="4" class="text-center text-muted">No supplementation required.</td></tr>
+	    <% end %>
+	</tbody>
+    </table>
+</div>
+
+<div class="card-footer small text-muted">
+    Volume: <%= number_with_delimiter(volume) %> L —
+    Portions: <%= pcount %>
+</div>
diff --git a/app/views/recipes/show.html.erb b/app/views/recipes/show.html.erb
new file mode 100644
index 0000000..180fdae
--- /dev/null
+++ b/app/views/recipes/show.html.erb
@@ -0,0 +1,108 @@
+<!-- app/views/recipes/show.html.erb -->
+<%# Controls header %>
+<div class="card shadow my-4">
+    <div class="card-header d-flex flex-wrap gap-2 justify-content-between align-items-center">
+	<h5 class="mb-0">Ferti© Recipe</h5>
+
+	<div class="d-flex flex-wrap gap-2 align-items-center">
+	    <%= form_with url: ferti_recipe_path, method: :get, local: true, class: "d-flex flex-wrap gap-2 align-items-center", id: "recipe-form" do %>
+		<div class="d-flex align-items-center gap-2">
+		    <label class="mb-0 small text-nowrap" for="volume_select">Volume</label>
+		    <select id="volume_select" name="volume" class="form-select form-select-sm">
+			<% options = [["100 000 L", 100_000], ["200 000 L", 200_000], ["300 000 L", 300_000]] %>
+			<% current_volume = (params[:volume].presence || 100_000).to_i %>
+			<% options.each do |label, val| %>
+			    <option value="<%= val %>" <%= 'selected' if val == current_volume %>><%= label %></option>
+			<% end %>
+		    </select>
+		</div>
+
+		<div class="vr" style="height: 24px;"></div>
+
+		<div class="d-flex align-items-center gap-2">
+		    <label class="mb-0 small text-nowrap" for="portions_input">Portions</label>
+		    <input id="portions_input" type="number" min="2" max="10" step="1"
+			   class="form-control form-control-sm" value="<%= params[:portions].presence || 2 %>">
+		</div>
+	    <% end %>
+
+	    <%= link_to "Back", root_path, class: "btn btn-sm btn-secondary" %>
+	</div>
+    </div>
+
+    <div class="table-responsive">
+	<table class="table table-sm align-middle mb-0" id="recipe-table">
+	    <thead class="table-light">
+		<tr>
+		    <th>Product</th>
+		    <th class="text-muted">Fertilizer</th>
+		    <th class="text-end">Qty (kg)</th>
+		    <th class="text-end">Per portion (kg)</th>
+		</tr>
+	    </thead>
+	    <tbody>
+		<% @recipe.each do |component, kg| %>
+		    <% prod_name = commercial_name_for(component) %>
+		    <tr data-total-kg="<%= kg %>">
+			<td><strong><%= prod_name %></strong></td>
+			<td class="text-muted"><small><%= component.name %></small></td>
+			<td class="text-end fw-semibold"><%= fmt_kg(kg) %></td>
+			<td class="text-end per-portion-cell"><%= fmt_kg(kg / (params[:portions].presence || 2).to_f) %></td>
+		    </tr>
+		<% end %>
+		<% if @recipe.blank? %>
+		    <tr><td colspan="4" class="text-center text-muted">No supplementation required.</td></tr>
+		<% end %>
+	    </tbody>
+	</table>
+    </div>
+
+    <div class="card-footer small text-muted">
+	Recipe based on latest measurement: <%= @latest.measured_on %>
+    </div>
+</div>
+
+<%# Tiny vanilla JS: auto-submit on volume change; live per-portion update %>
+<script>
+ (function() {
+     const form = document.getElementById('recipe-form');
+     const volumeSelect = document.getElementById('volume_select');
+     const portionsInput = document.getElementById('portions_input');
+     const rows = document.querySelectorAll('#recipe-table tbody tr[data-total-kg]');
+
+     function clampPortions(n) {
+	 n = parseInt(n || 2, 10);
+	 if (isNaN(n)) n = 2;
+	 return Math.min(10, Math.max(2, n));
+     }
+
+     function updatePerPortion() {
+	 const n = clampPortions(portionsInput.value);
+	 portionsInput.value = n;
+	 rows.forEach(row => {
+             const total = parseFloat(row.getAttribute('data-total-kg') || '0');
+             const cell = row.querySelector('.per-portion-cell');
+             const per = (n > 0) ? (total / n) : 0;
+             cell.textContent = formatKg(per);
+	 });
+     }
+
+     function formatKg(v) {
+	 // match Rails number_with_precision(... precision: 2, strip zeros-ish)
+	 const s = (Math.round(v * 100) / 100).toFixed(2);
+	 return s.replace(/\.00$/, '').replace(/(\.\d)0$/, '$1');
+     }
+
+     volumeSelect.addEventListener('change', () => {
+	 // submit with selected volume, keeping portions as a query param
+	 const portions = clampPortions(portionsInput.value);
+	 const url = new URL(form.action, window.location.origin);
+	 url.searchParams.set('volume', volumeSelect.value);
+	 url.searchParams.set('portions', portions);
+	 window.location.assign(url.toString());
+     });
+
+     portionsInput.addEventListener('input', updatePerPortion);
+     updatePerPortion();
+ })();
+</script>
diff --git a/bin/brakeman b/bin/brakeman
new file mode 100755
index 0000000..ace1c9b
--- /dev/null
+++ b/bin/brakeman
@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+require "rubygems"
+require "bundler/setup"
+
+ARGV.unshift("--ensure-latest")
+
+load Gem.bin_path("brakeman", "brakeman")
diff --git a/bin/dev b/bin/dev
new file mode 100755
index 0000000..5f91c20
--- /dev/null
+++ b/bin/dev
@@ -0,0 +1,2 @@
+#!/usr/bin/env ruby
+exec "./bin/rails", "server", *ARGV
diff --git a/bin/docker-entrypoint b/bin/docker-entrypoint
new file mode 100755
index 0000000..57567d6
--- /dev/null
+++ b/bin/docker-entrypoint
@@ -0,0 +1,14 @@
+#!/bin/bash -e
+
+# Enable jemalloc for reduced memory usage and latency.
+if [ -z "${LD_PRELOAD+x}" ]; then
+    LD_PRELOAD=$(find /usr/lib -name libjemalloc.so.2 -print -quit)
+    export LD_PRELOAD
+fi
+
+# If running the rails server then create or migrate existing database
+if [ "${@: -2:1}" == "./bin/rails" ] && [ "${@: -1:1}" == "server" ]; then
+  ./bin/rails db:prepare
+fi
+
+exec "${@}"
diff --git a/bin/importmap b/bin/importmap
new file mode 100755
index 0000000..36502ab
--- /dev/null
+++ b/bin/importmap
@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+
+require_relative "../config/application"
+require "importmap/commands"
diff --git a/bin/rails b/bin/rails
new file mode 100755
index 0000000..efc0377
--- /dev/null
+++ b/bin/rails
@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+APP_PATH = File.expand_path("../config/application", __dir__)
+require_relative "../config/boot"
+require "rails/commands"
diff --git a/bin/rake b/bin/rake
new file mode 100755
index 0000000..4fbf10b
--- /dev/null
+++ b/bin/rake
@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+require_relative "../config/boot"
+require "rake"
+Rake.application.run
diff --git a/bin/rubocop b/bin/rubocop
new file mode 100755
index 0000000..40330c0
--- /dev/null
+++ b/bin/rubocop
@@ -0,0 +1,8 @@
+#!/usr/bin/env ruby
+require "rubygems"
+require "bundler/setup"
+
+# explicit rubocop config increases performance slightly while avoiding config confusion.
+ARGV.unshift("--config", File.expand_path("../.rubocop.yml", __dir__))
+
+load Gem.bin_path("rubocop", "rubocop")
diff --git a/bin/setup b/bin/setup
new file mode 100755
index 0000000..be3db3c
--- /dev/null
+++ b/bin/setup
@@ -0,0 +1,34 @@
+#!/usr/bin/env ruby
+require "fileutils"
+
+APP_ROOT = File.expand_path("..", __dir__)
+
+def system!(*args)
+  system(*args, exception: true)
+end
+
+FileUtils.chdir APP_ROOT do
+  # This script is a way to set up or update your development environment automatically.
+  # This script is idempotent, so that you can run it at any time and get an expectable outcome.
+  # Add necessary setup steps to this file.
+
+  puts "== Installing dependencies =="
+  system("bundle check") || system!("bundle install")
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?("config/database.yml")
+  #   FileUtils.cp "config/database.yml.sample", "config/database.yml"
+  # end
+
+  puts "\n== Preparing database =="
+  system! "bin/rails db:prepare"
+
+  puts "\n== Removing old logs and tempfiles =="
+  system! "bin/rails log:clear tmp:clear"
+
+  unless ARGV.include?("--skip-server")
+    puts "\n== Starting development server =="
+    STDOUT.flush # flush the output before exec(2) so that it displays
+    exec "bin/dev"
+  end
+end
diff --git a/bin/thrust b/bin/thrust
new file mode 100755
index 0000000..36bde2d
--- /dev/null
+++ b/bin/thrust
@@ -0,0 +1,5 @@
+#!/usr/bin/env ruby
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("thruster", "thrust")
diff --git a/config.ru b/config.ru
new file mode 100644
index 0000000..4a3c09a
--- /dev/null
+++ b/config.ru
@@ -0,0 +1,6 @@
+# This file is used by Rack-based servers to start the application.
+
+require_relative "config/environment"
+
+run Rails.application
+Rails.application.load_server
diff --git a/config/application.rb b/config/application.rb
new file mode 100644
index 0000000..316a750
--- /dev/null
+++ b/config/application.rb
@@ -0,0 +1,27 @@
+require_relative "boot"
+
+require "rails/all"
+
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(*Rails.groups)
+
+module Ferti
+  class Application < Rails::Application
+    # Initialize configuration defaults for originally generated Rails version.
+    config.load_defaults 8.0
+
+    # Please, add to the `ignore` list any other `lib` subdirectories that do
+    # not contain `.rb` files, or that should not be reloaded or eager loaded.
+    # Common ones are `templates`, `generators`, or `middleware`, for example.
+    config.autoload_lib(ignore: %w[assets tasks])
+
+    # Configuration for the application, engines, and railties goes here.
+    #
+    # These settings can be overridden in specific environments using the files
+    # in config/environments, which are processed later.
+    #
+    # config.time_zone = "Central Time (US & Canada)"
+    # config.eager_load_paths << Rails.root.join("extras")
+  end
+end
diff --git a/config/boot.rb b/config/boot.rb
new file mode 100644
index 0000000..988a5dd
--- /dev/null
+++ b/config/boot.rb
@@ -0,0 +1,4 @@
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+require "bundler/setup" # Set up gems listed in the Gemfile.
+require "bootsnap/setup" # Speed up boot time by caching expensive operations.
diff --git a/config/cable.yml b/config/cable.yml
new file mode 100644
index 0000000..bfd4202
--- /dev/null
+++ b/config/cable.yml
@@ -0,0 +1,10 @@
+development:
+  adapter: async
+
+test:
+  adapter: test
+
+production:
+  adapter: redis
+  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  channel_prefix: ferti_production
diff --git a/config/credentials.yml.enc b/config/credentials.yml.enc
new file mode 100644
index 0000000..9179429
--- /dev/null
+++ b/config/credentials.yml.enc
@@ -0,0 +1 @@
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--ETBoZlP3MDy2hVMJ--xRfKKvHV54MospFJKlydjg==
\ No newline at end of file
diff --git a/config/database.yml b/config/database.yml
new file mode 100644
index 0000000..2640cb5
--- /dev/null
+++ b/config/database.yml
@@ -0,0 +1,41 @@
+# SQLite. Versions 3.8.0 and up are supported.
+#   gem install sqlite3
+#
+#   Ensure the SQLite 3 gem is defined in your Gemfile
+#   gem "sqlite3"
+#
+default: &default
+  adapter: sqlite3
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  timeout: 5000
+
+development:
+  <<: *default
+  database: storage/development.sqlite3
+
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+  <<: *default
+  database: storage/test.sqlite3
+
+
+# Store production database in the storage/ directory, which by default
+# is mounted as a persistent Docker volume in config/deploy.yml.
+production:
+  primary:
+    <<: *default
+    database: storage/production.sqlite3
+  cache:
+    <<: *default
+    database: storage/production_cache.sqlite3
+    migrations_paths: db/cache_migrate
+  queue:
+    <<: *default
+    database: storage/production_queue.sqlite3
+    migrations_paths: db/queue_migrate
+  cable:
+    <<: *default
+    database: storage/production_cable.sqlite3
+    migrations_paths: db/cable_migrate
diff --git a/config/deploy.yml b/config/deploy.yml
new file mode 100644
index 0000000..600b1ae
--- /dev/null
+++ b/config/deploy.yml
@@ -0,0 +1,116 @@
+# Name of your application. Used to uniquely configure containers.
+service: ferti
+
+# Name of the container image.
+image: your-user/ferti
+
+# Deploy to these servers.
+servers:
+  web:
+    - 192.168.0.1
+  # job:
+  #   hosts:
+  #     - 192.168.0.1
+  #   cmd: bin/jobs
+
+# Enable SSL auto certification via Let's Encrypt and allow for multiple apps on a single web server.
+# Remove this section when using multiple web servers and ensure you terminate SSL at your load balancer.
+#
+# Note: If using Cloudflare, set encryption mode in SSL/TLS setting to "Full" to enable CF-to-app encryption.
+proxy:
+  ssl: true
+  host: app.example.com
+
+# Credentials for your image host.
+registry:
+  # Specify the registry server, if you're not using Docker Hub
+  # server: registry.digitalocean.com / ghcr.io / ...
+  username: your-user
+
+  # Always use an access token rather than real password when possible.
+  password:
+    - KAMAL_REGISTRY_PASSWORD
+
+# Inject ENV variables into containers (secrets come from .kamal/secrets).
+env:
+  secret:
+    - RAILS_MASTER_KEY
+  clear:
+    # Run the Solid Queue Supervisor inside the web server's Puma process to do jobs.
+    # When you start using multiple servers, you should split out job processing to a dedicated machine.
+    SOLID_QUEUE_IN_PUMA: true
+
+    # Set number of processes dedicated to Solid Queue (default: 1)
+    # JOB_CONCURRENCY: 3
+
+    # Set number of cores available to the application on each server (default: 1).
+    # WEB_CONCURRENCY: 2
+
+    # Match this to any external database server to configure Active Record correctly
+    # Use ferti-db for a db accessory server on same machine via local kamal docker network.
+    # DB_HOST: 192.168.0.2
+
+    # Log everything from Rails
+    # RAILS_LOG_LEVEL: debug
+
+# Aliases are triggered with "bin/kamal <alias>". You can overwrite arguments on invocation:
+# "bin/kamal logs -r job" will tail logs from the first server in the job section.
+aliases:
+  console: app exec --interactive --reuse "bin/rails console"
+  shell: app exec --interactive --reuse "bash"
+  logs: app logs -f
+  dbc: app exec --interactive --reuse "bin/rails dbconsole"
+
+
+# Use a persistent storage volume for sqlite database files and local Active Storage files.
+# Recommended to change this to a mounted volume path that is backed up off server.
+volumes:
+  - "ferti_storage:/rails/storage"
+
+
+# Bridge fingerprinted assets, like JS and CSS, between versions to avoid
+# hitting 404 on in-flight requests. Combines all files from new and old
+# version inside the asset_path.
+asset_path: /rails/public/assets
+
+# Configure the image builder.
+builder:
+  arch: amd64
+
+  # # Build image via remote server (useful for faster amd64 builds on arm64 computers)
+  # remote: ssh://docker@docker-builder-server
+  #
+  # # Pass arguments and secrets to the Docker build process
+  # args:
+  #   RUBY_VERSION: ruby-3.2.8
+  # secrets:
+  #   - GITHUB_TOKEN
+  #   - RAILS_MASTER_KEY
+
+# Use a different ssh user than root
+# ssh:
+#   user: app
+
+# Use accessory services (secrets come from .kamal/secrets).
+# accessories:
+#   db:
+#     image: mysql:8.0
+#     host: 192.168.0.2
+#     # Change to 3306 to expose port to the world instead of just local network.
+#     port: "127.0.0.1:3306:3306"
+#     env:
+#       clear:
+#         MYSQL_ROOT_HOST: '%'
+#       secret:
+#         - MYSQL_ROOT_PASSWORD
+#     files:
+#       - config/mysql/production.cnf:/etc/mysql/my.cnf
+#       - db/production.sql:/docker-entrypoint-initdb.d/setup.sql
+#     directories:
+#       - data:/var/lib/mysql
+#   redis:
+#     image: redis:7.0
+#     host: 192.168.0.2
+#     port: 6379
+#     directories:
+#       - data:/data
diff --git a/config/environment.rb b/config/environment.rb
new file mode 100644
index 0000000..cac5315
--- /dev/null
+++ b/config/environment.rb
@@ -0,0 +1,5 @@
+# Load the Rails application.
+require_relative "application"
+
+# Initialize the Rails application.
+Rails.application.initialize!
diff --git a/config/environments/development.rb b/config/environments/development.rb
new file mode 100644
index 0000000..4cc21c4
--- /dev/null
+++ b/config/environments/development.rb
@@ -0,0 +1,72 @@
+require "active_support/core_ext/integer/time"
+
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # Make code changes take effect immediately without server restart.
+  config.enable_reloading = true
+
+  # Do not eager load code on boot.
+  config.eager_load = false
+
+  # Show full error reports.
+  config.consider_all_requests_local = true
+
+  # Enable server timing.
+  config.server_timing = true
+
+  # Enable/disable Action Controller caching. By default Action Controller caching is disabled.
+  # Run rails dev:cache to toggle Action Controller caching.
+  if Rails.root.join("tmp/caching-dev.txt").exist?
+    config.action_controller.perform_caching = true
+    config.action_controller.enable_fragment_cache_logging = true
+    config.public_file_server.headers = { "cache-control" => "public, max-age=#{2.days.to_i}" }
+  else
+    config.action_controller.perform_caching = false
+  end
+
+  # Change to :null_store to avoid any caching.
+  config.cache_store = :memory_store
+
+  # Store uploaded files on the local file system (see config/storage.yml for options).
+  config.active_storage.service = :local
+
+  # Don't care if the mailer can't send.
+  config.action_mailer.raise_delivery_errors = false
+
+  # Make template changes take effect immediately.
+  config.action_mailer.perform_caching = false
+
+  # Set localhost to be used by links generated in mailer templates.
+  config.action_mailer.default_url_options = { host: "localhost", port: 3000 }
+
+  # Print deprecation notices to the Rails logger.
+  config.active_support.deprecation = :log
+
+  # Raise an error on page load if there are pending migrations.
+  config.active_record.migration_error = :page_load
+
+  # Highlight code that triggered database queries in logs.
+  config.active_record.verbose_query_logs = true
+
+  # Append comments with runtime information tags to SQL queries in logs.
+  config.active_record.query_log_tags_enabled = true
+
+  # Highlight code that enqueued background job in logs.
+  config.active_job.verbose_enqueue_logs = true
+
+  # Raises error for missing translations.
+  # config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  config.action_view.annotate_rendered_view_with_filenames = true
+
+  # Uncomment if you wish to allow Action Cable access from any origin.
+  # config.action_cable.disable_request_forgery_protection = true
+
+  # Raise error when a before_action's only/except options reference missing actions.
+  config.action_controller.raise_on_missing_callback_actions = true
+
+  # Apply autocorrection by RuboCop to files generated by `bin/rails generate`.
+  # config.generators.apply_rubocop_autocorrect_after_generate!
+end
diff --git a/config/environments/production.rb b/config/environments/production.rb
new file mode 100644
index 0000000..1749607
--- /dev/null
+++ b/config/environments/production.rb
@@ -0,0 +1,89 @@
+require "active_support/core_ext/integer/time"
+
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # Code is not reloaded between requests.
+  config.enable_reloading = false
+
+  # Eager load code on boot for better performance and memory savings (ignored by Rake tasks).
+  config.eager_load = true
+
+  # Full error reports are disabled.
+  config.consider_all_requests_local = false
+
+  # Turn on fragment caching in view templates.
+  config.action_controller.perform_caching = true
+
+  # Cache assets for far-future expiry since they are all digest stamped.
+  config.public_file_server.headers = { "cache-control" => "public, max-age=#{1.year.to_i}" }
+
+  # Enable serving of images, stylesheets, and JavaScripts from an asset server.
+  # config.asset_host = "http://assets.example.com"
+
+  # Store uploaded files on the local file system (see config/storage.yml for options).
+  config.active_storage.service = :local
+
+  # Assume all access to the app is happening through a SSL-terminating reverse proxy.
+  config.assume_ssl = true
+
+  # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
+  config.force_ssl = true
+
+  # Skip http-to-https redirect for the default health check endpoint.
+  # config.ssl_options = { redirect: { exclude: ->(request) { request.path == "/up" } } }
+
+  # Log to STDOUT with the current request id as a default log tag.
+  config.log_tags = [ :request_id ]
+  config.logger   = ActiveSupport::TaggedLogging.logger(STDOUT)
+
+  # Change to "debug" to log everything (including potentially personally-identifiable information!)
+  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
+
+  # Prevent health checks from clogging up the logs.
+  config.silence_healthcheck_path = "/up"
+
+  # Don't log any deprecations.
+  config.active_support.report_deprecations = false
+
+  # Replace the default in-process memory cache store with a durable alternative.
+  # config.cache_store = :mem_cache_store
+
+  # Replace the default in-process and non-durable queuing backend for Active Job.
+  # config.active_job.queue_adapter = :resque
+
+  # Ignore bad email addresses and do not raise email delivery errors.
+  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
+  # config.action_mailer.raise_delivery_errors = false
+
+  # Set host to be used by links generated in mailer templates.
+  config.action_mailer.default_url_options = { host: "example.com" }
+
+  # Specify outgoing SMTP server. Remember to add smtp/* credentials via rails credentials:edit.
+  # config.action_mailer.smtp_settings = {
+  #   user_name: Rails.application.credentials.dig(:smtp, :user_name),
+  #   password: Rails.application.credentials.dig(:smtp, :password),
+  #   address: "smtp.example.com",
+  #   port: 587,
+  #   authentication: :plain
+  # }
+
+  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+  # the I18n.default_locale when a translation cannot be found).
+  config.i18n.fallbacks = true
+
+  # Do not dump schema after migrations.
+  config.active_record.dump_schema_after_migration = false
+
+  # Only use :id for inspections in production.
+  config.active_record.attributes_for_inspect = [ :id ]
+
+  # Enable DNS rebinding protection and other `Host` header attacks.
+  # config.hosts = [
+  #   "example.com",     # Allow requests from example.com
+  #   /.*\.example\.com/ # Allow requests from subdomains like `www.example.com`
+  # ]
+  #
+  # Skip DNS rebinding protection for the default health check endpoint.
+  # config.host_authorization = { exclude: ->(request) { request.path == "/up" } }
+end
diff --git a/config/environments/test.rb b/config/environments/test.rb
new file mode 100644
index 0000000..c2095b1
--- /dev/null
+++ b/config/environments/test.rb
@@ -0,0 +1,53 @@
+# The test environment is used exclusively to run your application's
+# test suite. You never need to work with it otherwise. Remember that
+# your test database is "scratch space" for the test suite and is wiped
+# and recreated between test runs. Don't rely on the data there!
+
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
+
+  # While tests run files are not watched, reloading is not necessary.
+  config.enable_reloading = false
+
+  # Eager loading loads your entire application. When running a single test locally,
+  # this is usually not necessary, and can slow down your test suite. However, it's
+  # recommended that you enable it in continuous integration systems to ensure eager
+  # loading is working properly before deploying your code.
+  config.eager_load = ENV["CI"].present?
+
+  # Configure public file server for tests with cache-control for performance.
+  config.public_file_server.headers = { "cache-control" => "public, max-age=3600" }
+
+  # Show full error reports.
+  config.consider_all_requests_local = true
+  config.cache_store = :null_store
+
+  # Render exception templates for rescuable exceptions and raise for other exceptions.
+  config.action_dispatch.show_exceptions = :rescuable
+
+  # Disable request forgery protection in test environment.
+  config.action_controller.allow_forgery_protection = false
+
+  # Store uploaded files on the local file system in a temporary directory.
+  config.active_storage.service = :test
+
+  # Tell Action Mailer not to deliver emails to the real world.
+  # The :test delivery method accumulates sent emails in the
+  # ActionMailer::Base.deliveries array.
+  config.action_mailer.delivery_method = :test
+
+  # Set host to be used by links generated in mailer templates.
+  config.action_mailer.default_url_options = { host: "example.com" }
+
+  # Print deprecation notices to the stderr.
+  config.active_support.deprecation = :stderr
+
+  # Raises error for missing translations.
+  # config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
+
+  # Raise error when a before_action's only/except options reference missing actions.
+  config.action_controller.raise_on_missing_callback_actions = true
+end
diff --git a/config/importmap.rb b/config/importmap.rb
new file mode 100644
index 0000000..0086a32
--- /dev/null
+++ b/config/importmap.rb
@@ -0,0 +1,3 @@
+# Pin npm packages by running ./bin/importmap
+
+pin "application"
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
new file mode 100644
index 0000000..4873244
--- /dev/null
+++ b/config/initializers/assets.rb
@@ -0,0 +1,7 @@
+# Be sure to restart your server when you modify this file.
+
+# Version of your assets, change this if you want to expire all your assets.
+Rails.application.config.assets.version = "1.0"
+
+# Add additional assets to the asset load path.
+# Rails.application.config.assets.paths << Emoji.images_path
diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
new file mode 100644
index 0000000..b3076b3
--- /dev/null
+++ b/config/initializers/content_security_policy.rb
@@ -0,0 +1,25 @@
+# Be sure to restart your server when you modify this file.
+
+# Define an application-wide content security policy.
+# See the Securing Rails Applications Guide for more information:
+# https://guides.rubyonrails.org/security.html#content-security-policy-header
+
+# Rails.application.configure do
+#   config.content_security_policy do |policy|
+#     policy.default_src :self, :https
+#     policy.font_src    :self, :https, :data
+#     policy.img_src     :self, :https, :data
+#     policy.object_src  :none
+#     policy.script_src  :self, :https
+#     policy.style_src   :self, :https
+#     # Specify URI for violation reports
+#     # policy.report_uri "/csp-violation-report-endpoint"
+#   end
+#
+#   # Generate session nonces for permitted importmap, inline scripts, and inline styles.
+#   config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
+#   config.content_security_policy_nonce_directives = %w(script-src style-src)
+#
+#   # Report violations without enforcing the policy.
+#   # config.content_security_policy_report_only = true
+# end
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
new file mode 100644
index 0000000..c0b717f
--- /dev/null
+++ b/config/initializers/filter_parameter_logging.rb
@@ -0,0 +1,8 @@
+# Be sure to restart your server when you modify this file.
+
+# Configure parameters to be partially matched (e.g. passw matches password) and filtered from the log file.
+# Use this to limit dissemination of sensitive information.
+# See the ActiveSupport::ParameterFilter documentation for supported notations and behaviors.
+Rails.application.config.filter_parameters += [
+  :passw, :email, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn, :cvv, :cvc
+]
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
new file mode 100644
index 0000000..3860f65
--- /dev/null
+++ b/config/initializers/inflections.rb
@@ -0,0 +1,16 @@
+# Be sure to restart your server when you modify this file.
+
+# Add new inflection rules using the following format. Inflections
+# are locale specific, and you may define rules for as many different
+# locales as you wish. All of these examples are active by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.plural /^(ox)$/i, "\\1en"
+#   inflect.singular /^(ox)en/i, "\\1"
+#   inflect.irregular "person", "people"
+#   inflect.uncountable %w( fish sheep )
+# end
+
+# These inflection rules are supported but not enabled by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.acronym "RESTful"
+# end
diff --git a/config/locales/en.yml b/config/locales/en.yml
new file mode 100644
index 0000000..6c349ae
--- /dev/null
+++ b/config/locales/en.yml
@@ -0,0 +1,31 @@
+# Files in the config/locales directory are used for internationalization and
+# are automatically loaded by Rails. If you want to use locales other than
+# English, add the necessary files in this directory.
+#
+# To use the locales, use `I18n.t`:
+#
+#     I18n.t "hello"
+#
+# In views, this is aliased to just `t`:
+#
+#     <%= t("hello") %>
+#
+# To use a different locale, set it with `I18n.locale`:
+#
+#     I18n.locale = :es
+#
+# This would use the information in config/locales/es.yml.
+#
+# To learn more about the API, please read the Rails Internationalization guide
+# at https://guides.rubyonrails.org/i18n.html.
+#
+# Be aware that YAML interprets the following case-insensitive strings as
+# booleans: `true`, `false`, `on`, `off`, `yes`, `no`. Therefore, these strings
+# must be quoted to be interpreted as strings. For example:
+#
+#     en:
+#       "yes": yup
+#       enabled: "ON"
+
+en:
+  hello: "Hello world"
diff --git a/config/puma.rb b/config/puma.rb
new file mode 100644
index 0000000..a248513
--- /dev/null
+++ b/config/puma.rb
@@ -0,0 +1,41 @@
+# This configuration file will be evaluated by Puma. The top-level methods that
+# are invoked here are part of Puma's configuration DSL. For more information
+# about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
+#
+# Puma starts a configurable number of processes (workers) and each process
+# serves each request in a thread from an internal thread pool.
+#
+# You can control the number of workers using ENV["WEB_CONCURRENCY"]. You
+# should only set this value when you want to run 2 or more workers. The
+# default is already 1.
+#
+# The ideal number of threads per worker depends both on how much time the
+# application spends waiting for IO operations and on how much you wish to
+# prioritize throughput over latency.
+#
+# As a rule of thumb, increasing the number of threads will increase how much
+# traffic a given process can handle (throughput), but due to CRuby's
+# Global VM Lock (GVL) it has diminishing returns and will degrade the
+# response time (latency) of the application.
+#
+# The default is set to 3 threads as it's deemed a decent compromise between
+# throughput and latency for the average Rails application.
+#
+# Any libraries that use a connection pool or another resource pool should
+# be configured to provide at least as many connections as the number of
+# threads. This includes Active Record's `pool` parameter in `database.yml`.
+threads_count = ENV.fetch("RAILS_MAX_THREADS", 3)
+threads threads_count, threads_count
+
+# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
+port ENV.fetch("PORT", 3000)
+
+# Allow puma to be restarted by `bin/rails restart` command.
+plugin :tmp_restart
+
+# Run the Solid Queue supervisor inside of Puma for single-server deployments
+plugin :solid_queue if ENV["SOLID_QUEUE_IN_PUMA"]
+
+# Specify the PID file. Defaults to tmp/pids/server.pid in development.
+# In other environments, only set the PID file if requested.
+pidfile ENV["PIDFILE"] if ENV["PIDFILE"]
diff --git a/config/routes.rb b/config/routes.rb
new file mode 100644
index 0000000..1b24155
--- /dev/null
+++ b/config/routes.rb
@@ -0,0 +1,32 @@
+Rails.application.routes.draw do
+  root "dashboard#index"
+
+  get "ferti_recipe", to: "recipes#show"
+  resources :fertilizer_products
+  resources :raft_crops, only: [ :update ]
+  resources :rafts, only: [ :index ] do
+    collection do
+      get :editor        # rafts/editor
+      patch :assign_all   # bulk assign all rafts
+      patch :assign_bed   # bulk assign per bed
+    end
+    member do
+      patch :assign_one   # per raft
+    end
+  end
+  resources :crops
+  resources :nutrient_measurements
+
+  # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
+
+  # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
+  # Can be used by load balancers and uptime monitors to verify that the app is live.
+  get "up" => "rails/health#show", as: :rails_health_check
+
+  # Render dynamic PWA files from app/views/pwa/* (remember to link manifest in application.html.erb)
+  # get "manifest" => "rails/pwa#manifest", as: :pwa_manifest
+  # get "service-worker" => "rails/pwa#service_worker", as: :pwa_service_worker
+
+  # Defines the root path route ("/")
+  # root "posts#index"
+end
diff --git a/config/storage.yml b/config/storage.yml
new file mode 100644
index 0000000..4942ab6
--- /dev/null
+++ b/config/storage.yml
@@ -0,0 +1,34 @@
+test:
+  service: Disk
+  root: <%= Rails.root.join("tmp/storage") %>
+
+local:
+  service: Disk
+  root: <%= Rails.root.join("storage") %>
+
+# Use bin/rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key)
+# amazon:
+#   service: S3
+#   access_key_id: <%= Rails.application.credentials.dig(:aws, :access_key_id) %>
+#   secret_access_key: <%= Rails.application.credentials.dig(:aws, :secret_access_key) %>
+#   region: us-east-1
+#   bucket: your_own_bucket-<%= Rails.env %>
+
+# Remember not to checkin your GCS keyfile to a repository
+# google:
+#   service: GCS
+#   project: your_project
+#   credentials: <%= Rails.root.join("path/to/gcs.keyfile") %>
+#   bucket: your_own_bucket-<%= Rails.env %>
+
+# Use bin/rails credentials:edit to set the Azure Storage secret (as azure_storage:storage_access_key)
+# microsoft:
+#   service: AzureStorage
+#   storage_account_name: your_account_name
+#   storage_access_key: <%= Rails.application.credentials.dig(:azure_storage, :storage_access_key) %>
+#   container: your_container_name-<%= Rails.env %>
+
+# mirror:
+#   service: Mirror
+#   primary: local
+#   mirrors: [ amazon, google, microsoft ]
diff --git a/db/data/dolibarr_measurements.csv b/db/data/dolibarr_measurements.csv
new file mode 100644
index 0000000..38be569
--- /dev/null
+++ b/db/data/dolibarr_measurements.csv
@@ -0,0 +1,44 @@
+date,nno3,p,k,ca,mg,s,na,cl,si,fe,zn,b,mn,cu,mo,nnh4
+08/05/2021,1.87,0.0031936,0.91,100.79,8.37,1.08666558,6.73,12.28,5.42,0.01,0.01,0.01,0.01,0.01,0.01,0.02
+02/07/2021,66.3,0.0095808,110.91,93.09,17.95,32.84663382,10.27,18.53,5.02,4.37,0.03,0.18,0.15,0,0,0.63
+12/07/2021,61.66,2.011968,122.53,73.5,17.44,47.64328569,0.45,0.82,0.36,1.76,0.05,0.13,0.32,0,0,0
+12/08/2021,67.27,0.351296,94.45,89.48,16.25,9.11665755,10.76,16.51,4.95,3.2,0.03,0.14,0.07,0,0,0.06
+06/09/2021,77.8,7.1153408,96.29,86.31,14.21,23.90664276,9.32,14.92,4.61,2.45,0.08,0.12,0.05,0.03,0,0.02
+21/09/2021,87.88,11.33728,117.24,90.64,17.25,29.90663676,9.92,15.96,4.68,2.4,0.08,0.27,0.12,0.04,0.01,0.02
+19/10/2021,77.84,13.4195072,121.91,94.71,18.3,33.19663347,12.36,15.28,4.47,2.72,0.11,0.74,0.04,0.04,0.02,0.03
+01/12/2021,57.09,6.6842048,81.46,61.45,10.52,17.72331561,17.36,23.05,2.11,1.27,0.17,0.32,0.01,0.03,0.02,0.07
+04/02/2022,43.56,6.5979776,63.1,63.72,9.92,17.3999826,17.08,21.15,1.44,1.6,0.22,0.34,0.01,0.04,0.01,0.03
+12/04/2022,38.36,6.5021696,83.48,49.75,6.42,14.14331919,29.8,38.85,0.23,0.3,0.2,0,0.02,0.01,0.4,0.07
+16/05/2022,24.63,0.542912,30.22,39.79,6.75,0.0666666,25.98,25.89,0.14,1.13,0.3,0.23,0.01,0.02,0.005,0.12
+15/06/2022,2.45,0.0606784,0.69,24.58,4.14,1.24999875,19.59,11.33,0.32,0.79,0.25,0.13,0.01,0.02,0.01,0.1
+04/07/2022,24.3,3.081824,42.34,39.79,8.09,0.41333292,19.79,11.32,1.24,0.7,0.18,0.07,0.02,0.01,0.005,0.68
+01/08/2022,4.88,0.2299392,27.77,22.48,6.71,18.68331465,23,5,0.64,0.97,0.17,0.04,0.005,0.005,0.005,0.07
+07/09/2022,29.28,2.07584,79.65,36.05,13.82,31.17663549,33.41,12.32,0.83,0.84,0.13,0.07,0.01,0.005,0.005,0.8
+24/10/2022,41.61,1.2646656,68.38,47.44,11.54,21.55664511,28.22,18.73,0.81,0.41,0.1,0.05,0.005,0.005,0.005,0.09
+21/11/2022,40.34,3.1105664,53.6,51.09,9.69,17.97331536,25.5,18.85,0.97,0.58,0.11,0.07,0.005,0.005,0.005,0.04
+09/01/2023,48.71,6.6171392,63.08,71.45,11.58,6.55666011,23.81,21.32,1.46,1.04,0.13,0.13,0.01,0.01,0.01,0.03
+21/02/2023,56.03,7.5273152,53.3,81.75,12.11,19.31998068,23.16,27.27,1.86,0.95,0.18,0.19,0.01,0.005,0.02,0.13
+20/04/2023,50.67,7.0546624,76.45,76.63,10.57,15.54331779,22.25,26.97,0.95,0.96,0.19,0.12,0.005,0.005,0.005,0.21
+07/06/2023,48.82,7.3005696,90.04,64.58,9.96,16.92664974,22.39,25.93,0.78,0.42,0.2,0.11,0.005,0.005,0.005,0.16
+13/07/2023,21.79,1.5712512,77.61,40.41,9.74,20.82331251,26.23,22.49,0.6,1.16,0.22,0.31,0,0,0.02,0.14
+17/07/2023,21.79,4.9213376,77.61,40.41,9.74,20.82331251,26.23,22.49,0.6,1.16,0.22,0.31,0.01,0.01,0.02,0.14
+23/08/2023,23.88,2.778432,97.75,49.74,26.25,31.24996875,31.11,16.43,1.33,0.8,0.18,0.14,0,0,0.01,1.01
+02/09/2023,23.88,2.778432,97.75,49.74,16.15,31.24996875,31.11,16.43,1.33,0.8,0.18,0.14,0,0,0.01,1.01
+13/10/2023,71.9,5.0905984,106.35,91.03,18.11,34.90663176,32.36,14.59,1.43,0.97,0.17,0.05,0,0,0,0.24
+28/12/2023,70.58,9.1368896,141.05,68.18,11.96,24.18664248,27.95,21.57,1.31,0.88,0.16,0.15,0,0,0.02,0.06
+16/01/2024,77.26,11.433088,149.17,68.71,12.14,23.24331009,29.88,27.04,1.15,1.14,0.26,0.14,0,0,0,0.09
+04/03/2024,84.65,13.4418624,185.21,66.05,15.61,30.69330264,40.12,36.82,0.66,0.93,0.39,0.35,0,0,0.03,0.16
+23/04/2024,69.17,11.2350848,116.41,52.96,14.07,28.95330438,80.73,37.54,0.57,0.79,0.42,0.38,0.01,0,0.03,0.16
+30/05/2024,46.74,7.520928,81.84,38.61,10.48,26.52997347,79.96,40.47,0.34,0.87,0.45,0.37,0,0.03,0.03,0.12
+05/07/2024,27.51,3.960064,75.58,27.78,8.29,25.99330734,92.2,44.74,0.32,0.59,0.45,0.37,0,0.03,0.03,0.15
+23/07/2024,16.55,2.4143616,83.62,16.52,4.9,20.45997954,79.04,40.51,0.32,0.77,0.43,0.26,0,0.03,0.02,0.43
+06/08/2024,0,0.3001984,74.41,6.82,2.56,17.28664938,78.79,35.04,0.42,0.9,0.37,0.29,0,0.03,0.02,0.13
+09/09/2024,18.3,2.87424,85.3,8.7,1.7,10.5666561,53.7,22.7,2.5,0.7,0.2,0.1,0,0,0,0
+01/10/2024,22.94,4.1740352,112.46,9.44,2,13.51998648,58.57,28.76,0.27,0.6,0.26,0.17,0,0.02,0,0.2
+22/11/2024,66,2.87424,127,33,9,7.333326,63,40,2.8,0.73,0.37,0.16,0.01,0.01,0.01,0
+20/01/2025,94.26,15.664608,146.27,76.06,14.24,32.05663461,64.29,46.99,0.45,0.37,0.48,0.16,0.08,0.03,0.01,0.11
+06/03/2025,95.82,20.007904,171.83,92.24,15.75,35.2332981,82.27,54.5,0.45,0.17,0.49,0.16,0.03,0.02,0,0.06
+04/04/2025,85.49,17.2646016,109.91,88.54,13.47,31.08663558,65.02,53.96,0.28,0.65,0.51,0.13,0.01,0.01,0,0
+22/05/2025,49.8,9.9927744,92.41,61.42,8.47,22.42331091,52.95,38.25,0.32,0.86,0.48,0.23,0.03,0,0.02,0.13
+11/06/2025,30.28,5.700576,50.2,48.96,5.73,22.10664456,51.34,33.41,0,0.96,0.51,0.26,0,0,0,0
+01/08/2025,1.34,0.4854272,77.64,16.45,5.52,22.93997706,58.45,25.83,0.5,0.48,0.44,0.17,0,0,0,0
diff --git a/db/data/nutrient_requirements.csv b/db/data/nutrient_requirements.csv
new file mode 100644
index 0000000..61406b8
--- /dev/null
+++ b/db/data/nutrient_requirements.csv
@@ -0,0 +1,9 @@
+Nom,NNO3,P,K,Ca,Mg,S,Na,Cl,Si,Fe,Zn,B,Mn,Cu,Mo,NNH4
+Générique croissance,160,30,230,100,30,60,0,0,0,5,"0,15","0,3","0,5","0,15","0,05",0
+Générique floraison,130,60,300,100,30,60,0,0,0,2,"0,1","0,5","0,5","0,05","0,05",0
+Laitue,190,50,210,200,50,66,0,0,0,5,"0,15","0,3","0,5","0,15","0,05",0
+Tomate (cycle entier),140,50,352,180,50,168,0,0,0,5,"0,1","0,3","0,8","0,07","0,03",0
+Tomate 10-14 jours,100,40,200,100,20,53,0,0,0,3,"0,1","0,3","0,8","0,07","0,03",0
+Tomate 1ere grappe,130,55,300,150,33,109,0,0,0,3,"0,1","0,3","0,8","0,07","0,03",0
+Tomate à maturité,180,65,400,400,45,144,0,0,0,3,"0,1","0,3","0,8","0,07","0,03",0
+Framboise - tous stades,70,12,88,90,24,48,0,0,50,0.56,"0,325",11,"0,11","0,032","0,01",0
diff --git a/db/migrate/20250820175727_create_nutrients.rb b/db/migrate/20250820175727_create_nutrients.rb
new file mode 100644
index 0000000..d054375
--- /dev/null
+++ b/db/migrate/20250820175727_create_nutrients.rb
@@ -0,0 +1,10 @@
+class CreateNutrients < ActiveRecord::Migration[8.0]
+  def change
+    create_table :nutrients do |t|
+      t.string :formula
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20250820175742_create_nutrient_measurements.rb b/db/migrate/20250820175742_create_nutrient_measurements.rb
new file mode 100644
index 0000000..b4bae51
--- /dev/null
+++ b/db/migrate/20250820175742_create_nutrient_measurements.rb
@@ -0,0 +1,27 @@
+class CreateNutrientMeasurements < ActiveRecord::Migration[8.0]
+  def change
+    create_table :nutrient_measurements do |t|
+      t.date :measured_on
+      t.float :nno3
+      t.float :p
+      t.float :k
+      t.float :ca
+      t.float :mg
+      t.float :s
+      t.float :na
+      t.float :cl
+      t.float :si
+      t.float :fe
+      t.float :zn
+      t.float :b
+      t.float :mn
+      t.float :cu
+      t.float :mo
+      t.float :nnh4
+
+      t.timestamps
+    end
+
+    add_index :nutrient_measurements, :measured_on, unique: true
+  end
+end
diff --git a/db/migrate/20250823140019_create_crops.rb b/db/migrate/20250823140019_create_crops.rb
new file mode 100644
index 0000000..e88abd3
--- /dev/null
+++ b/db/migrate/20250823140019_create_crops.rb
@@ -0,0 +1,26 @@
+class CreateCrops < ActiveRecord::Migration[8.0]
+  def change
+    create_table :crops do |t|
+      t.string :name
+      t.integer :crop_type, null: false, default: 1
+      t.float :nno3
+      t.float :p
+      t.float :k
+      t.float :ca
+      t.float :mg
+      t.float :s
+      t.float :na
+      t.float :cl
+      t.float :si
+      t.float :fe
+      t.float :zn
+      t.float :b
+      t.float :mn
+      t.float :cu
+      t.float :mo
+      t.float :nnh4
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20250823142743_create_beds.rb b/db/migrate/20250823142743_create_beds.rb
new file mode 100644
index 0000000..3c23ad7
--- /dev/null
+++ b/db/migrate/20250823142743_create_beds.rb
@@ -0,0 +1,11 @@
+class CreateBeds < ActiveRecord::Migration[8.0]
+  def change
+    create_table :beds do |t|
+      t.integer :location, null: false
+
+      t.timestamps
+    end
+
+    add_index :beds, :location, unique: true
+  end
+end
diff --git a/db/migrate/20250823142858_create_rafts.rb b/db/migrate/20250823142858_create_rafts.rb
new file mode 100644
index 0000000..6b7f006
--- /dev/null
+++ b/db/migrate/20250823142858_create_rafts.rb
@@ -0,0 +1,13 @@
+class CreateRafts < ActiveRecord::Migration[8.0]
+  def change
+    create_table :rafts do |t|
+      t.references :bed, null: false, foreign_key: true
+      t.integer :location, null: false
+      t.references :crop, null: true, foreign_key: true
+
+      t.timestamps
+    end
+
+    add_index :rafts, [ :bed_id, :location ], unique: true
+  end
+end
diff --git a/db/migrate/20250824121914_create_fertilizer_components.rb b/db/migrate/20250824121914_create_fertilizer_components.rb
new file mode 100644
index 0000000..2e08fff
--- /dev/null
+++ b/db/migrate/20250824121914_create_fertilizer_components.rb
@@ -0,0 +1,26 @@
+class CreateFertilizerComponents < ActiveRecord::Migration[8.0]
+  def change
+    create_table :fertilizer_components do |t|
+      t.string :name
+      t.string :formula
+      t.float :nno3
+      t.float :nnh4
+      t.float :p
+      t.float :k
+      t.float :ca
+      t.float :mg
+      t.float :s
+      t.float :na
+      t.float :cl
+      t.float :si
+      t.float :fe
+      t.float :zn
+      t.float :b
+      t.float :mn
+      t.float :cu
+      t.float :mo
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20250824163242_create_fertilizer_products.rb b/db/migrate/20250824163242_create_fertilizer_products.rb
new file mode 100644
index 0000000..024f82c
--- /dev/null
+++ b/db/migrate/20250824163242_create_fertilizer_products.rb
@@ -0,0 +1,11 @@
+class CreateFertilizerProducts < ActiveRecord::Migration[8.0]
+  def change
+    create_table :fertilizer_products do |t|
+      t.string :name, null: false
+      t.decimal :purity, precision: 5, scale: 2, null: false, default: 100.00
+
+      t.timestamps
+    end
+    add_index :fertilizer_products, :name, unique: true
+  end
+end
diff --git a/db/migrate/20250824163257_create_fertilizer_compositions.rb b/db/migrate/20250824163257_create_fertilizer_compositions.rb
new file mode 100644
index 0000000..b48954a
--- /dev/null
+++ b/db/migrate/20250824163257_create_fertilizer_compositions.rb
@@ -0,0 +1,11 @@
+class CreateFertilizerCompositions < ActiveRecord::Migration[8.0]
+  def change
+    create_table :fertilizer_compositions do |t|
+      t.references :fertilizer_product, null: false, foreign_key: true
+      t.references :fertilizer_component, null: false, foreign_key: true
+      t.decimal :percent_w, precision: 6, scale: 3, null: false  # e.g. 13.500 (% w/w)
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
new file mode 100644
index 0000000..b5f2e03
--- /dev/null
+++ b/db/schema.rb
@@ -0,0 +1,130 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema[8.0].define(version: 2025_08_24_163257) do
+  create_table "beds", force: :cascade do |t|
+    t.integer "location", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["location"], name: "index_beds_on_location", unique: true
+  end
+
+  create_table "crops", force: :cascade do |t|
+    t.string "name"
+    t.integer "crop_type", default: 1, null: false
+    t.float "nno3"
+    t.float "p"
+    t.float "k"
+    t.float "ca"
+    t.float "mg"
+    t.float "s"
+    t.float "na"
+    t.float "cl"
+    t.float "si"
+    t.float "fe"
+    t.float "zn"
+    t.float "b"
+    t.float "mn"
+    t.float "cu"
+    t.float "mo"
+    t.float "nnh4"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "fertilizer_components", force: :cascade do |t|
+    t.string "name"
+    t.string "formula"
+    t.float "nno3"
+    t.float "nnh4"
+    t.float "p"
+    t.float "k"
+    t.float "ca"
+    t.float "mg"
+    t.float "s"
+    t.float "na"
+    t.float "cl"
+    t.float "si"
+    t.float "fe"
+    t.float "zn"
+    t.float "b"
+    t.float "mn"
+    t.float "cu"
+    t.float "mo"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "fertilizer_compositions", force: :cascade do |t|
+    t.integer "fertilizer_product_id", null: false
+    t.integer "fertilizer_component_id", null: false
+    t.decimal "percent_w", precision: 6, scale: 3, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["fertilizer_component_id"], name: "index_fertilizer_compositions_on_fertilizer_component_id"
+    t.index ["fertilizer_product_id"], name: "index_fertilizer_compositions_on_fertilizer_product_id"
+  end
+
+  create_table "fertilizer_products", force: :cascade do |t|
+    t.string "name", null: false
+    t.decimal "purity", precision: 5, scale: 2, default: "100.0", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["name"], name: "index_fertilizer_products_on_name", unique: true
+  end
+
+  create_table "nutrient_measurements", force: :cascade do |t|
+    t.date "measured_on"
+    t.float "nno3"
+    t.float "p"
+    t.float "k"
+    t.float "ca"
+    t.float "mg"
+    t.float "s"
+    t.float "na"
+    t.float "cl"
+    t.float "si"
+    t.float "fe"
+    t.float "zn"
+    t.float "b"
+    t.float "mn"
+    t.float "cu"
+    t.float "mo"
+    t.float "nnh4"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["measured_on"], name: "index_nutrient_measurements_on_measured_on", unique: true
+  end
+
+  create_table "nutrients", force: :cascade do |t|
+    t.string "formula"
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "rafts", force: :cascade do |t|
+    t.integer "bed_id", null: false
+    t.integer "location", null: false
+    t.integer "crop_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["bed_id", "location"], name: "index_rafts_on_bed_id_and_location", unique: true
+    t.index ["bed_id"], name: "index_rafts_on_bed_id"
+    t.index ["crop_id"], name: "index_rafts_on_crop_id"
+  end
+
+  add_foreign_key "fertilizer_compositions", "fertilizer_components"
+  add_foreign_key "fertilizer_compositions", "fertilizer_products"
+  add_foreign_key "rafts", "beds"
+  add_foreign_key "rafts", "crops"
+end
diff --git a/db/seeds.rb b/db/seeds.rb
new file mode 100644
index 0000000..848db0d
--- /dev/null
+++ b/db/seeds.rb
@@ -0,0 +1,13 @@
+# This file should ensure the existence of records required to run the application in every environment (production,
+# development, test). The code here should be idempotent so that it can be executed at any point in every environment.
+# The data can then be loaded with the bin/rails db:seed command (or created alongside the database with db:setup).
+#
+# Example:
+#
+#   ["Action", "Comedy", "Drama", "Horror"].each do |genre_name|
+#     MovieGenre.find_or_create_by!(name: genre_name)
+#   end
+
+Dir[Rails.root.join("db/seeds/*.rb")].sort.each do |seed|
+  load seed
+end
diff --git a/db/seeds/1_nutrients.rb b/db/seeds/1_nutrients.rb
new file mode 100644
index 0000000..dab2249
--- /dev/null
+++ b/db/seeds/1_nutrients.rb
@@ -0,0 +1,24 @@
+NUTRIENTS = [
+  [ "nno3", "nitrate" ],
+  [ "p",    "phosphore" ],
+  [ "k",    "potassium" ],
+  [ "ca",   "calcium" ],
+  [ "mg",   "magnésium" ],
+  [ "s",    "soufre" ],
+  [ "na",   "sodium" ],
+  [ "cl",   "chlore" ],
+  [ "si",   "silice" ],
+  [ "fe",   "fer" ],
+  [ "zn",   "zinc" ],
+  [ "b",    "bore" ],
+  [ "mn",   "manganèse" ],
+  [ "cu",   "cuivre" ],
+  [ "mo",   "molybdène" ],
+  [ "nnh4", "ammonium" ]
+]
+
+NUTRIENTS.each do |formula, name|
+  Nutrient.find_or_create_by!(formula:) { |n| n.name = name }
+end
+
+puts "Nutrients: #{Nutrient.count}"
diff --git a/db/seeds/2_nutrient_measurements.rb b/db/seeds/2_nutrient_measurements.rb
new file mode 100644
index 0000000..0ca14f1
--- /dev/null
+++ b/db/seeds/2_nutrient_measurements.rb
@@ -0,0 +1,27 @@
+require "csv"
+
+csv_path = Rails.root.join("db", "data", "dolibarr_measurements.csv")
+abort "CSV not found: #{csv_path}" unless File.exist?(csv_path)
+
+CSV.foreach(csv_path, headers: true) do |row|
+  NutrientMeasurement.find_or_create_by!(measured_on: Date.parse(row["date"])) do |m|
+    m.nno3 = row["nno3"]
+    m.p    = row["p"]
+    m.k    = row["k"]
+    m.ca   = row["ca"]
+    m.mg   = row["mg"]
+    m.s    = row["s"]
+    m.na   = row["na"]
+    m.cl   = row["cl"]
+    m.si   = row["si"]
+    m.fe   = row["fe"]
+    m.zn   = row["zn"]
+    m.b    = row["b"]
+    m.mn   = row["mn"]
+    m.cu   = row["cu"]
+    m.mo   = row["mo"]
+    m.nnh4 = row["nnh4"]
+  end
+end
+
+puts "NutrientMeasurements: #{NutrientMeasurement.count}"
diff --git a/db/seeds/3_crops.rb b/db/seeds/3_crops.rb
new file mode 100644
index 0000000..2957188
--- /dev/null
+++ b/db/seeds/3_crops.rb
@@ -0,0 +1,125 @@
+# crop_type: 0=leafy greens, 1=fruits, 2=herbs
+
+LEAFY = {
+  nno3: 150,
+  p: 31,
+  k: 210,
+  ca: 90,
+  mg: 24,
+  s: 32,
+  fe: 1.0,
+  mn: 0.25,
+  zn: 0.13,
+  b: 0.16,
+  cu: 0.023,
+  mo: 0.024,
+  nnh4: 5,
+  # keep low for leafy
+  na: 10,
+  cl: 5,
+  si: 20
+}
+
+HERB = LEAFY # Herbs run well on the Cornell leafy recipe
+
+TOMATO = {
+  # CEAC Stage 3 "multi-crop" / mature tomato
+  nno3: 190,
+  p: 47,
+  k: 350,
+  ca: 200,
+  mg: 65,
+  s: 102,
+  fe: 2.0,
+  mn: 0.55,
+  zn: 0.33,
+  b: 0.28,
+  cu: 0.05,
+  mo: 0.05,
+  nnh4: 0,
+  # CEAC recipes are NO3-N; keep NH4 minimal
+  na: 20,
+  cl: 25,
+  si: 20
+}
+
+HOT_PEPPER = {
+  # Mature greenhouse pepper (HortAmericas summary of UA recipes)
+  nno3: 180,
+  p: 50,
+  k: 280,
+  ca: 200,
+  mg: 45,
+  s: 20,
+  fe: 1.0,
+  mn: 0.55,
+  zn: 0.33,
+  b: 0.30,
+  cu: 0.05,
+  mo: 0.05,
+  nnh4: 15,
+  na: 20,
+  cl: 10,
+  si: 20
+}
+
+STRAWBERRY = {
+  # UA strawberry (Yamazaki) emphasizes lower EC; use conservative macros
+  nno3: 120,
+  p: 30,
+  k: 200,
+  ca: 120,
+  mg: 35,
+  s: 50,
+  fe: 1.5,
+  mn: 0.50,
+  zn: 0.20,
+  b: 0.30,
+  cu: 0.05,
+  mo: 0.05,
+  nnh4: 5,
+  na: 10,
+  cl: 5,
+  si: 20
+}
+
+RASPBERRY = {
+  # Sparse data; align with strawberry but a touch higher vigor
+  nno3: 140,
+  p: 35,
+  k: 230,
+  ca: 150,
+  mg: 40,
+  s: 50,
+  fe: 1.5,
+  mn: 0.50,
+  zn: 0.20,
+  b: 0.30,
+  cu: 0.05,
+  mo: 0.05,
+  nnh4: 5,
+  na: 15,
+  cl: 5,
+  si: 20
+}
+
+[
+  [ "lettuce",         0, LEAFY ],
+  [ "kale",            0, LEAFY ],
+  [ "chinese cabbage", 0, LEAFY ],
+  [ "tomatoes",        1, TOMATO ],
+  [ "raspberries",     1, RASPBERRY ],
+  [ "strawberries",    1, STRAWBERRY ],
+  [ "hot peppers",     1, HOT_PEPPER ],
+  [ "parsley",         2, HERB ],
+  [ "chives",          2, HERB ],
+  [ "italian basil",   2, HERB ],
+  [ "dill",            2, HERB ]
+].each do |name, type, nutrient_requirements|
+  Crop.find_or_create_by!(name: name) do |c|
+    c.crop_type = type
+    c.attributes = nutrient_requirements
+  end
+end
+
+puts "Crops: #{Crop.count}"
diff --git a/db/seeds/4_beds_and_rafts.rb b/db/seeds/4_beds_and_rafts.rb
new file mode 100644
index 0000000..0105260
--- /dev/null
+++ b/db/seeds/4_beds_and_rafts.rb
@@ -0,0 +1,24 @@
+BEDS = 14
+RAFTS = 10
+
+1.upto(BEDS) do |b|
+  bed = Bed.find_or_create_by!(location: b)
+
+  crop_name = case b
+  when 1..2 then "tomatoes"
+  when 3 then "hot peppers"
+  when 4 then "chives"
+  when 5 then "italian basil"
+  when 6..7 then "chinese cabbage"
+  else "lettuce"
+  end
+
+  1.upto(RAFTS) do |r|
+    raft = bed.rafts.find_or_create_by!(location: r) do |raft|
+      raft.crop = Crop.find_by!(name: crop_name)
+    end
+  end
+end
+
+puts "Beds: #{Bed.count}"
+puts "Rafts: #{Raft.count}"
diff --git a/db/seeds/5_fertilizer_components.rb.bkp b/db/seeds/5_fertilizer_components.rb.bkp
new file mode 100644
index 0000000..8a1fc54
--- /dev/null
+++ b/db/seeds/5_fertilizer_components.rb.bkp
@@ -0,0 +1,38 @@
+FERTILIZER_COMPONENTS = [
+  # Macros / bases
+  { name: "Potassium Nitrate",        formula: "KNO3",            nno3: 13.50, k: 38.60 },
+  { name: "Calcium Nitrate",          formula: "Ca(NO3)2·xH2O",   nno3: 15.50, ca: 18.94 },
+  { name: "Ammonium Nitrate",         formula: "NH4NO3",          nno3: 13.50, nnh4: 13.50 }, # total N ≈ 27
+  { name: "Diammonium Phosphate",     formula: "(NH4)2HPO4",      p: 21.00 },                 # NH4 can be added later if desired
+
+  # Acids / buffers
+  { name: "Nitric Acid 53%",          formula: "HNO3",            nno3: 11.70 },
+  { name: "Potassium Bicarbonate",    formula: "KHCO3",           k: 39.05 },
+  { name: "Calcium Carbonate",        formula: "CaCO3",           ca: 38.00 },
+
+  # K–Mg–S complex (Patentkali-type blend)
+  { name: "Potassium Sulfate blend (K–Mg–S + NaCl)", formula: "K2SO4+MgSO4+NaCl",
+    p: 0.44, k: 22.66, mg: 6.16, s: 17.77, na: 2.16, cl: 3.34 },
+
+  # Sulfates (micros / secondary)
+  { name: "Magnesium Sulfate",        formula: "MgSO4·7H2O",      mg: 9.648, s: 13.016 },
+  { name: "Manganese Sulfate",        formula: "MnSO4",           s: 7.17,  mn: 12.00 },
+  { name: "Zinc Sulfate (Fiza Zinc)", formula: "ZnSO4",           zn: 12.00 },
+
+  # Chelates / traces
+  { name: "Iron DTPA 11.8%",          formula: "Fe-DTPA",         fe: 11.80 },
+  { name: "HelioCopper (Cu chelate)", formula: "Cu-chelate",      cu: 40.00 },
+
+  # Boron & Mo sources
+  { name: "Boron–Molybdenum (Boronia LS)", formula: "B+Mo",       b: 13.50, mo: 0.028 },
+  { name: "Boronia MO12 (10L)",           formula: "B+Mn+Cu",     b: 8.90, mn: 0.089, cu: 0.89 },
+  { name: "Sodium Molybdate",             formula: "Na2MoO4",     mo: 39.50 }
+]
+
+FERTILIZER_COMPONENTS.each do |attrs|
+  FertilizerComponent.find_or_create_by!(name: attrs[:name]) do |c|
+    c.attributes = attrs
+  end
+end
+
+puts "Fertilizer components: #{FertilizerComponent.count}"
diff --git a/db/seeds/6_fertilizer_products.rb b/db/seeds/6_fertilizer_products.rb
new file mode 100644
index 0000000..6769bde
--- /dev/null
+++ b/db/seeds/6_fertilizer_products.rb
@@ -0,0 +1,143 @@
+FERTILIZER_RECIPES = [
+  {
+    name: "Multi K Reci",
+    purity: 99.0,
+    composition: [
+      { component: {
+          name: "Potassium nitrate",
+          formula: "KNO3",
+          nno3: 13.0,
+          k: 46.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Fixa Mn",
+    purity: 98.0,
+    composition: [
+      { component: {
+          name: "Manganese sulfate",
+          formula: "MnSO4·H2O",
+          mn: 32.0,
+          s: 18.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Multi-Cal Haïfa",
+    purity: 99.0,
+    composition: [
+      { component: {
+          name: "Calcium nitrate",
+          formula: "Ca(NO3)2·4H2O",
+          nno3: 15.5,
+          ca: 19.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "DAP 18/46/00",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Diammonium phosphate",
+          formula: "(NH4)2HPO4",
+          nnh4: 18.0,
+          p: 20.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Patenkali",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Potassium sulfate",
+          formula: "K2SO4",
+          k: 50.0,
+          s: 18.0
+        }, percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Eso Top",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Magnesium sulfate",
+          formula: "MgSO4·7H2O",
+          mg: 9.8,
+          s: 13.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Ammonitrate 27",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Ammonium nitrate",
+          formula: "NH4NO3",
+          nno3: 13.5,
+          nnh4: 13.5 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Fer chélaté",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Iron chelate (EDDHA)",
+          formula: "Fe-EDDHA",
+          fe: 6.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Carbonate de calcium",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Calcium carbonate",
+          formula: "CaCO3",
+          ca: 40.0 },
+        percent_w: 100.0 }
+    ]
+  },
+  {
+    name: "Héliocuivre",
+    purity: 100.0,
+    composition: [
+      { component: {
+          name: "Copper chelate (EDTA)",
+          formula: "Cu-EDTA",
+          cu: 14.0 },
+        percent_w: 100.0 }
+    ]
+  }
+]
+
+FERTILIZER_RECIPES.each do |recipe|
+  product = FertilizerProduct.find_or_create_by!(name: recipe[:name]) do |fp|
+    fp.purity = recipe[:purity]
+  end
+
+  recipe[:composition].each do |c|
+    comp_attrs = c[:component]
+    component = FertilizerComponent.find_or_create_by!(name: comp_attrs[:name]) do |fc|
+      fc.formula = comp_attrs[:formula]
+    end
+    # update nutrient fields if missing
+    component.update!(comp_attrs.except(:name, :formula))
+
+    FertilizerComposition.find_or_create_by!(
+      fertilizer_product: product,
+      fertilizer_component: component
+    ) do |fc|
+      fc.percent_w = c[:percent_w]
+    end
+  end
+end
+
+puts "FertilizerProducts: #{FertilizerProduct.count}"
diff --git a/lib/tasks/.keep b/lib/tasks/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lib/tasks/.keep
diff --git a/log/.keep b/log/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/log/.keep
diff --git a/public/400.html b/public/400.html
new file mode 100644
index 0000000..282dbc8
--- /dev/null
+++ b/public/400.html
@@ -0,0 +1,114 @@
+<!doctype html>
+
+<html lang="en">
+
+  <head>
+
+    <title>The server cannot process the request due to a client error (400 Bad Request)</title>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/400.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m124.48 3.00509-45.6889 100.02991h26.2239v-28.1168h38.119v28.1168h21.628v35.145h-21.628v30.82h-37.308v-30.82h-72.1833v-31.901l50.2851-103.27391zm115.583 168.69891c-40.822 0-64.884-35.146-64.884-85.7015 0-50.5554 24.062-85.700907 64.884-85.700907 40.823 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.061 85.7015-64.884 85.7015zm0-133.2831c-17.572 0-22.709 21.8984-22.709 47.5816 0 25.6835 5.137 47.5815 22.709 47.5815 17.303 0 22.71-21.898 22.71-47.5815 0-25.6832-5.407-47.5816-22.71-47.5816zm140.456 133.2831c-40.823 0-64.884-35.146-64.884-85.7015 0-50.5554 24.061-85.700907 64.884-85.700907 40.822 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.062 85.7015-64.884 85.7015zm0-133.2831c-17.573 0-22.71 21.8984-22.71 47.5816 0 25.6835 5.137 47.5815 22.71 47.5815 17.302 0 22.709-21.898 22.709-47.5815 0-25.6832-5.407-47.5816-22.709-47.5816z" fill="#f0eff0"/><path d="m123.606 85.4445c3.212 1.0523 5.538 4.2089 5.538 8.0301 0 6.1472-4.209 9.5254-11.298 9.5254h-15.617v-34.0033h14.565c7.089 0 11.353 3.1566 11.353 9.2484 0 3.6551-2.049 6.3134-4.541 7.1994zm-12.904-2.9905h5.095c2.603 0 3.988-.9968 3.988-3.1013 0-2.1044-1.385-3.0459-3.988-3.0459h-5.095zm0 6.6456v6.5902h5.981c2.492 0 3.877-1.3291 3.877-3.2674 0-2.049-1.385-3.3228-3.877-3.3228zm43.786 13.9004h-8.362v-1.274c-.831.831-3.323 1.717-5.981 1.717-4.929 0-9.083-2.769-9.083-8.0301 0-4.818 4.154-7.9193 9.581-7.9193 2.049 0 4.486.6646 5.483 1.3845v-1.606c0-1.606-.942-2.9905-3.046-2.9905-1.606 0-2.548.7199-2.935 1.8275h-8.197c.72-4.8181 4.985-8.6393 11.409-8.6393 7.088 0 11.131 3.7659 11.131 10.2453zm-8.362-6.9779v-1.4399c-.554-1.0522-2.049-1.7167-3.655-1.7167-1.717 0-3.434.7199-3.434 2.3813 0 1.7168 1.717 2.4367 3.434 2.4367 1.606 0 3.101-.6645 3.655-1.6614zm27.996 6.9779v-1.994c-1.163 1.329-3.599 2.548-6.147 2.548-7.199 0-11.131-5.8151-11.131-13.0145s3.932-13.0143 11.131-13.0143c2.548 0 4.984 1.2184 6.147 2.5475v-13.0697h8.695v35.997zm0-9.1931v-6.5902c-.664-1.3291-2.159-2.326-3.821-2.326-2.99 0-4.763 2.4368-4.763 5.6488s1.773 5.5934 4.763 5.5934c1.717 0 3.157-.9415 3.821-2.326zm35.471-2.049h-3.101v11.2421h-8.806v-34.0033h15.285c7.31 0 12.35 4.1535 12.35 11.5744 0 5.1503-2.603 8.6947-6.757 10.2453l7.975 12.1836h-9.858zm-3.101-15.2849v8.1962h5.538c3.156 0 4.596-1.606 4.596-4.0981s-1.44-4.0981-4.596-4.0981zm36.957 17.8323h8.03c-.886 5.7597-5.206 9.2487-11.685 9.2487-7.643 0-12.682-5.2613-12.682-13.0145 0-7.6978 5.316-13.0143 12.515-13.0143 7.643 0 11.962 5.095 11.962 12.5159v2.1598h-16.115c.277 2.9905 1.827 4.5965 4.32 4.5965 1.772 0 3.156-.7753 3.655-2.4921zm-3.822-10.0237c-2.049 0-3.433 1.2737-3.987 3.5997h7.532c-.111-2.0491-1.385-3.5997-3.545-3.5997zm30.98 27.5234v-10.799c-1.163 1.329-3.6 2.548-6.147 2.548-7.2 0-11.132-5.9259-11.132-13.0145 0-7.144 3.932-13.0143 11.132-13.0143 2.547 0 4.984 1.2184 6.147 2.5475v-1.9937h8.695v33.726zm0-17.9981v-6.5902c-.665-1.3291-2.105-2.326-3.821-2.326-2.991 0-4.763 2.4368-4.763 5.6488s1.772 5.5934 4.763 5.5934c1.661 0 3.156-.9415 3.821-2.326zm36.789-15.7279v24.921h-8.695v-2.16c-1.329 1.551-3.821 2.714-6.646 2.714-5.482 0-8.75-3.5999-8.75-9.1379v-16.3371h8.64v14.288c0 2.1045.996 3.5997 3.212 3.5997 1.606 0 3.101-1.0522 3.544-2.769v-15.1187zm19.084 16.2263h8.03c-.886 5.7597-5.206 9.2487-11.685 9.2487-7.643 0-12.682-5.2613-12.682-13.0145 0-7.6978 5.316-13.0143 12.515-13.0143 7.643 0 11.963 5.095 11.963 12.5159v2.1598h-16.116c.277 2.9905 1.828 4.5965 4.32 4.5965 1.772 0 3.156-.7753 3.655-2.4921zm-3.822-10.0237c-2.049 0-3.433 1.2737-3.987 3.5997h7.532c-.111-2.0491-1.385-3.5997-3.545-3.5997zm13.428 11.0206h8.474c.387 1.3845 1.606 2.1598 3.156 2.1598 1.44 0 2.548-.5538 2.548-1.7168 0-.9414-.72-1.2737-1.939-1.5506l-4.873-.9969c-4.154-.886-6.867-2.8797-6.867-7.2547 0-5.3165 4.762-8.4178 10.633-8.4178 6.812 0 10.522 3.1567 11.297 8.0855h-8.03c-.277-1.0522-1.052-1.9937-3.046-1.9937-1.273 0-2.326.5538-2.326 1.6614 0 .7753.554 1.163 1.717 1.3845l4.929 1.163c4.541 1.0522 6.978 3.4335 6.978 7.4763 0 5.3168-4.818 8.2518-10.91 8.2518-6.369 0-10.965-2.88-11.741-8.2518zm27.538-.8861v-9.5807h-3.655v-6.7564h3.655v-6.8671h8.584v6.8671h5.205v6.7564h-5.205v8.307c0 1.9383.941 2.769 2.658 2.769.941 0 1.993-.2216 2.769-.5538v7.3654c-.997.443-2.88.775-4.818.775-5.871 0-9.193-2.769-9.193-9.0819z" fill="#d30001"/></svg>
+      </header>
+      <article>
+        <p><strong>The server cannot process the request due to a client error.</strong> Please check the request and try again. If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
+
+</html>
diff --git a/public/404.html b/public/404.html
new file mode 100644
index 0000000..c0670bc
--- /dev/null
+++ b/public/404.html
@@ -0,0 +1,114 @@
+<!doctype html>
+
+<html lang="en">
+
+  <head>
+
+    <title>The page you were looking for doesn’t exist (404 Not found)</title>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/404.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m124.48 3.00509-45.6889 100.02991h26.2239v-28.1168h38.119v28.1168h21.628v35.145h-21.628v30.82h-37.308v-30.82h-72.1833v-31.901l50.2851-103.27391zm115.583 168.69891c-40.822 0-64.884-35.146-64.884-85.7015 0-50.5554 24.062-85.700907 64.884-85.700907 40.823 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.061 85.7015-64.884 85.7015zm0-133.2831c-17.572 0-22.709 21.8984-22.709 47.5816 0 25.6835 5.137 47.5815 22.709 47.5815 17.303 0 22.71-21.898 22.71-47.5815 0-25.6832-5.407-47.5816-22.71-47.5816zm165.328-35.41581-45.689 100.02991h26.224v-28.1168h38.119v28.1168h21.628v35.145h-21.628v30.82h-37.308v-30.82h-72.184v-31.901l50.285-103.27391z" fill="#f0eff0"/><path d="m157.758 68.9967v34.0033h-7.199l-14.233-19.8814v19.8814h-8.584v-34.0033h8.307l13.125 18.7184v-18.7184zm28.454 21.5428c0 7.6978-5.15 13.0145-12.737 13.0145-7.532 0-12.738-5.3167-12.738-13.0145s5.206-13.0143 12.738-13.0143c7.587 0 12.737 5.3165 12.737 13.0143zm-8.528 0c0-3.4336-1.496-5.8703-4.209-5.8703-2.659 0-4.154 2.4367-4.154 5.8703s1.495 5.8149 4.154 5.8149c2.713 0 4.209-2.3813 4.209-5.8149zm13.184 3.8766v-9.5807h-3.655v-6.7564h3.655v-6.8671h8.584v6.8671h5.205v6.7564h-5.205v8.307c0 1.9383.941 2.769 2.658 2.769.941 0 1.994-.2216 2.769-.5538v7.3654c-.997.443-2.88.775-4.818.775-5.87 0-9.193-2.769-9.193-9.0819zm37.027 8.5839h-8.806v-34.0033h23.924v7.6978h-15.118v6.7564h13.9v7.5316h-13.9zm41.876-12.4605c0 7.6978-5.15 13.0145-12.737 13.0145-7.532 0-12.738-5.3167-12.738-13.0145s5.206-13.0143 12.738-13.0143c7.587 0 12.737 5.3165 12.737 13.0143zm-8.529 0c0-3.4336-1.495-5.8703-4.208-5.8703-2.659 0-4.154 2.4367-4.154 5.8703s1.495 5.8149 4.154 5.8149c2.713 0 4.208-2.3813 4.208-5.8149zm35.337-12.4605v24.921h-8.695v-2.16c-1.329 1.551-3.821 2.714-6.646 2.714-5.482 0-8.75-3.5999-8.75-9.1379v-16.3371h8.64v14.288c0 2.1045.997 3.5997 3.212 3.5997 1.606 0 3.101-1.0522 3.544-2.769v-15.1187zm4.076 24.921v-24.921h8.694v2.1598c1.385-1.5506 3.822-2.7136 6.701-2.7136 5.538 0 8.806 3.5997 8.806 9.1377v16.3371h-8.639v-14.2327c0-2.049-1.053-3.5443-3.268-3.5443-1.717 0-3.156.9969-3.6 2.7136v15.0634zm44.113 0v-1.994c-1.163 1.329-3.6 2.548-6.147 2.548-7.2 0-11.132-5.8151-11.132-13.0145s3.932-13.0143 11.132-13.0143c2.547 0 4.984 1.2184 6.147 2.5475v-13.0697h8.695v35.997zm0-9.1931v-6.5902c-.665-1.3291-2.16-2.326-3.821-2.326-2.991 0-4.763 2.4368-4.763 5.6488s1.772 5.5934 4.763 5.5934c1.717 0 3.156-.9415 3.821-2.326z" fill="#d30001"/></svg>
+      </header>
+      <article>
+        <p><strong>The page you were looking for doesn’t exist.</strong> You may have mistyped the address or the page may have moved. If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
+
+</html>
diff --git a/public/406-unsupported-browser.html b/public/406-unsupported-browser.html
new file mode 100644
index 0000000..9532a9c
--- /dev/null
+++ b/public/406-unsupported-browser.html
@@ -0,0 +1,114 @@
+<!doctype html>
+
+<html lang="en">
+
+  <head>
+
+    <title>Your browser is not supported (406 Not Acceptable)</title>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/406-unsupported-browser.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m124.48 3.00509-45.6889 100.02991h26.2239v-28.1168h38.119v28.1168h21.628v35.145h-21.628v30.82h-37.308v-30.82h-72.1833v-31.901l50.2851-103.27391zm115.583 168.69891c-40.822 0-64.884-35.146-64.884-85.7015 0-50.5554 24.062-85.700907 64.884-85.700907 40.823 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.061 85.7015-64.884 85.7015zm0-133.2831c-17.572 0-22.709 21.8984-22.709 47.5816 0 25.6835 5.137 47.5815 22.709 47.5815 17.303 0 22.71-21.898 22.71-47.5815 0-25.6832-5.407-47.5816-22.71-47.5816zm202.906 9.7326h-41.093c-2.433-7.2994-7.84-12.4361-17.302-12.4361-16.221 0-25.413 17.5728-25.954 34.8752v1.3517c5.137-7.0291 16.221-12.4361 30.82-12.4361 33.524 0 54.881 24.0612 54.881 53.7998 0 33.253-23.791 58.396-61.64 58.396-21.628 0-39.741-10.003-50.825-27.576-9.733-14.599-13.788-32.442-13.788-54.3406 0-51.9072 24.331-89.485807 66.236-89.485807 32.712 0 53.258 18.654107 58.665 47.851907zm-82.727 66.2355c0 13.247 9.463 22.439 22.71 22.439 12.977 0 22.439-9.192 22.439-22.439 0-13.517-9.462-22.7091-22.439-22.7091-13.247 0-22.71 9.1921-22.71 22.7091z" fill="#f0eff0"/><path d="m100.761 68.9967v34.0033h-7.1991l-14.2326-19.8814v19.8814h-8.5839v-34.0033h8.307l13.125 18.7184v-18.7184zm28.454 21.5428c0 7.6978-5.15 13.0145-12.737 13.0145-7.532 0-12.738-5.3167-12.738-13.0145s5.206-13.0143 12.738-13.0143c7.587 0 12.737 5.3165 12.737 13.0143zm-8.529 0c0-3.4336-1.495-5.8703-4.208-5.8703-2.659 0-4.154 2.4367-4.154 5.8703s1.495 5.8149 4.154 5.8149c2.713 0 4.208-2.3813 4.208-5.8149zm13.185 3.8766v-9.5807h-3.655v-6.7564h3.655v-6.8671h8.584v6.8671h5.205v6.7564h-5.205v8.307c0 1.9383.941 2.769 2.658 2.769.941 0 1.994-.2216 2.769-.5538v7.3654c-.997.443-2.88.775-4.818.775-5.87 0-9.193-2.769-9.193-9.0819zm39.02-25.4194h9.083l12.958 34.0033h-9.027l-2.436-6.5902h-12.35l-2.381 6.5902h-8.806zm4.431 10.5222-3.489 9.5807h6.978zm17.44 11.0206c0-7.6978 5.095-13.0143 12.572-13.0143 6.701 0 10.854 3.9874 11.574 9.8023h-8.418c-.221-1.4953-1.384-2.6029-3.156-2.6029-2.437 0-3.988 2.2706-3.988 5.8149s1.551 5.7595 3.988 5.7595c1.772 0 2.935-1.0522 3.156-2.5475h8.418c-.72 5.7596-4.873 9.8025-11.574 9.8025-7.477 0-12.572-5.3167-12.572-13.0145zm25.676 0c0-7.6978 5.095-13.0143 12.572-13.0143 6.701 0 10.854 3.9874 11.574 9.8023h-8.418c-.221-1.4953-1.384-2.6029-3.156-2.6029-2.437 0-3.988 2.2706-3.988 5.8149s1.551 5.7595 3.988 5.7595c1.772 0 2.935-1.0522 3.156-2.5475h8.418c-.72 5.7596-4.873 9.8025-11.574 9.8025-7.477 0-12.572-5.3167-12.572-13.0145zm42.013 3.7658h8.031c-.887 5.7597-5.206 9.2487-11.686 9.2487-7.642 0-12.682-5.2613-12.682-13.0145 0-7.6978 5.317-13.0143 12.516-13.0143 7.643 0 11.962 5.095 11.962 12.5159v2.1598h-16.115c.277 2.9905 1.827 4.5965 4.319 4.5965 1.773 0 3.157-.7753 3.655-2.4921zm-3.821-10.0237c-2.049 0-3.433 1.2737-3.987 3.5997h7.532c-.111-2.0491-1.385-3.5997-3.545-3.5997zm23.4 16.7244v10.799h-8.694v-33.726h8.694v1.9937c1.163-1.3291 3.6-2.5475 6.148-2.5475 7.199 0 11.131 5.8703 11.131 13.0143 0 7.0886-3.932 13.0145-11.131 13.0145-2.548 0-4.985-1.219-6.148-2.548zm0-13.7893v6.5902c.665 1.3845 2.16 2.326 3.822 2.326 2.99 0 4.762-2.3814 4.762-5.5934s-1.772-5.6488-4.762-5.6488c-1.717 0-3.157.9969-3.822 2.326zm21.892 7.1994v-9.5807h-3.655v-6.7564h3.655v-6.8671h8.584v6.8671h5.206v6.7564h-5.206v8.307c0 1.9383.941 2.769 2.658 2.769.942 0 1.994-.2216 2.769-.5538v7.3654c-.997.443-2.88.775-4.818.775-5.87 0-9.193-2.769-9.193-9.0819zm39.458 8.5839h-8.363v-1.274c-.83.831-3.322 1.717-5.981 1.717-4.928 0-9.082-2.769-9.082-8.0301 0-4.818 4.154-7.9193 9.581-7.9193 2.049 0 4.486.6646 5.482 1.3845v-1.606c0-1.606-.941-2.9905-3.045-2.9905-1.606 0-2.548.7199-2.936 1.8275h-8.196c.72-4.8181 4.984-8.6393 11.408-8.6393 7.089 0 11.132 3.7659 11.132 10.2453zm-8.363-6.9779v-1.4399c-.553-1.0522-2.049-1.7167-3.655-1.7167-1.716 0-3.433.7199-3.433 2.3813 0 1.7168 1.717 2.4367 3.433 2.4367 1.606 0 3.102-.6645 3.655-1.6614zm20.742 4.9839v1.994h-8.694v-35.997h8.694v13.0697c1.163-1.3291 3.6-2.5475 6.148-2.5475 7.199 0 11.131 5.8149 11.131 13.0143s-3.932 13.0145-11.131 13.0145c-2.548 0-4.985-1.219-6.148-2.548zm0-13.7893v6.5902c.665 1.3845 2.105 2.326 3.822 2.326 2.99 0 4.762-2.3814 4.762-5.5934s-1.772-5.6488-4.762-5.6488c-1.662 0-3.157.9969-3.822 2.326zm28.759-20.2137v35.997h-8.695v-35.997zm19.172 27.3023h8.03c-.886 5.7597-5.206 9.2487-11.685 9.2487-7.643 0-12.682-5.2613-12.682-13.0145 0-7.6978 5.316-13.0143 12.516-13.0143 7.642 0 11.962 5.095 11.962 12.5159v2.1598h-16.116c.277 2.9905 1.828 4.5965 4.32 4.5965 1.772 0 3.157-.7753 3.655-2.4921zm-3.821-10.0237c-2.049 0-3.434 1.2737-3.988 3.5997h7.532c-.111-2.0491-1.384-3.5997-3.544-3.5997z" fill="#d30001"/></svg>
+      </header>
+      <article>
+        <p><strong>Your browser is not supported.</strong><br> Please upgrade your browser to continue.</p>
+      </article>
+    </main>
+
+  </body>
+
+</html>
diff --git a/public/422.html b/public/422.html
new file mode 100644
index 0000000..8bcf060
--- /dev/null
+++ b/public/422.html
@@ -0,0 +1,114 @@
+<!doctype html>
+
+<html lang="en">
+
+  <head>
+
+    <title>The change you wanted was rejected (422 Unprocessable Entity)</title>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/422.html -->
+
+    <main>
+      <header>
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+      </header>
+      <article>
+        <p><strong>The change you wanted was rejected.</strong> Maybe you tried to change something you didn’t have access to. If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
+
+</html>
diff --git a/public/500.html b/public/500.html
new file mode 100644
index 0000000..d77718c
--- /dev/null
+++ b/public/500.html
@@ -0,0 +1,114 @@
+<!doctype html>
+
+<html lang="en">
+
+  <head>
+
+    <title>We’re sorry, but something went wrong (500 Internal Server Error)</title>
+
+    <meta charset="utf-8">
+    <meta name="viewport" content="initial-scale=1, width=device-width">
+    <meta name="robots" content="noindex, nofollow">
+
+    <style>
+
+      *, *::before, *::after {
+        box-sizing: border-box;
+      }
+
+      * {
+        margin: 0;
+      }
+
+      html {
+        font-size: 16px;
+      }
+
+      body {
+        background: #FFF;
+        color: #261B23;
+        display: grid;
+        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Aptos, Roboto, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+        font-size: clamp(1rem, 2.5vw, 2rem);
+        -webkit-font-smoothing: antialiased;
+        font-style: normal;
+        font-weight: 400;
+        letter-spacing: -0.0025em;
+        line-height: 1.4;
+        min-height: 100vh;
+        place-items: center;
+        text-rendering: optimizeLegibility;
+        -webkit-text-size-adjust: 100%;
+      }
+
+      a {
+        color: inherit;
+        font-weight: 700;
+        text-decoration: underline;
+        text-underline-offset: 0.0925em;
+      }
+
+      b, strong {
+        font-weight: 700;
+      }
+
+      i, em {
+        font-style: italic;
+      }
+
+      main {
+        display: grid;
+        gap: 1em;
+        padding: 2em;
+        place-items: center;
+        text-align: center;
+      }
+
+      main header {
+        width: min(100%, 12em);
+      }
+
+      main header svg {
+        height: auto;
+        max-width: 100%;
+        width: 100%;
+      }
+
+      main article {
+        width: min(100%, 30em);
+      }
+
+      main article p {
+        font-size: 75%;
+      }
+
+      main article br {
+
+        display: none;
+
+        @media(min-width: 48em) {
+          display: inline;
+        }
+
+      }
+
+    </style>
+
+  </head>
+
+  <body>
+
+    <!-- This file lives in public/500.html -->
+
+    <main>
+      <header>
+        <svg height="172" viewBox="0 0 480 172" width="480" xmlns="http://www.w3.org/2000/svg"><path d="m101.23 93.8427c-8.1103 0-15.4098 3.7849-19.7354 8.3813h-36.2269v-99.21891h103.8143v37.03791h-68.3984v24.8722c5.1366-2.7035 15.1396-5.9477 24.6014-5.9477 35.146 0 56.233 22.7094 56.233 55.4215 0 34.605-23.791 57.315-60.558 57.315-37.8492 0-61.64-22.169-63.8028-55.963h42.9857c1.0814 10.814 9.1919 19.195 21.6281 19.195 11.355 0 19.465-8.381 19.465-20.547 0-11.625-7.299-20.5463-20.006-20.5463zm138.833 77.8613c-40.822 0-64.884-35.146-64.884-85.7015 0-50.5554 24.062-85.700907 64.884-85.700907 40.823 0 64.884 35.145507 64.884 85.700907 0 50.5555-24.061 85.7015-64.884 85.7015zm0-133.2831c-17.572 0-22.709 21.8984-22.709 47.5816 0 25.6835 5.137 47.5815 22.709 47.5815 17.303 0 22.71-21.898 22.71-47.5815 0-25.6832-5.407-47.5816-22.71-47.5816zm140.456 133.2831c-40.823 0-64.884-35.146-64.884-85.7015 0-50.5554 24.061-85.700907 64.884-85.700907 40.822 0 64.884 35.145507 64.884 85.700907 0 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+      </header>
+      <article>
+        <p><strong>We’re sorry, but something went wrong.</strong><br> If you’re the application owner check the logs for more information.</p>
+      </article>
+    </main>
+
+  </body>
+
+</html>
diff --git a/public/icon.png b/public/icon.png
new file mode 100644
index 0000000..c4c9dbf
--- /dev/null
+++ b/public/icon.png
diff --git a/public/icon.svg b/public/icon.svg
new file mode 100644
index 0000000..04b34bf
--- /dev/null
+++ b/public/icon.svg
@@ -0,0 +1,3 @@
+<svg width="512" height="512" xmlns="http://www.w3.org/2000/svg">
+  <circle cx="256" cy="256" r="256" fill="red"/>
+</svg>
diff --git a/public/robots.txt b/public/robots.txt
new file mode 100644
index 0000000..c19f78a
--- /dev/null
+++ b/public/robots.txt
@@ -0,0 +1 @@
+# See https://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file
diff --git a/script/.keep b/script/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/script/.keep
diff --git a/storage/.keep b/storage/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/storage/.keep
diff --git a/test/application_system_test_case.rb b/test/application_system_test_case.rb
new file mode 100644
index 0000000..cee29fd
--- /dev/null
+++ b/test/application_system_test_case.rb
@@ -0,0 +1,5 @@
+require "test_helper"
+
+class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
+  driven_by :selenium, using: :headless_chrome, screen_size: [ 1400, 1400 ]
+end
diff --git a/test/controllers/crops_controller_test.rb b/test/controllers/crops_controller_test.rb
new file mode 100644
index 0000000..71821b1
--- /dev/null
+++ b/test/controllers/crops_controller_test.rb
@@ -0,0 +1,48 @@
+require "test_helper"
+
+class CropsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @crop = crops(:one)
+  end
+
+  test "should get index" do
+    get crops_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_crop_url
+    assert_response :success
+  end
+
+  test "should create crop" do
+    assert_difference("Crop.count") do
+      post crops_url, params: { crop: { b: @crop.b, ca: @crop.ca, cl: @crop.cl, crop_type: @crop.crop_type, cu: @crop.cu, fe: @crop.fe, k: @crop.k, mg: @crop.mg, mn: @crop.mn, mo: @crop.mo, na: @crop.na, name: @crop.name, nnh4: @crop.nnh4, nno3: @crop.nno3, p: @crop.p, s: @crop.s, si: @crop.si, zn: @crop.zn } }
+    end
+
+    assert_redirected_to crop_url(Crop.last)
+  end
+
+  test "should show crop" do
+    get crop_url(@crop)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_crop_url(@crop)
+    assert_response :success
+  end
+
+  test "should update crop" do
+    patch crop_url(@crop), params: { crop: { b: @crop.b, ca: @crop.ca, cl: @crop.cl, crop_type: @crop.crop_type, cu: @crop.cu, fe: @crop.fe, k: @crop.k, mg: @crop.mg, mn: @crop.mn, mo: @crop.mo, na: @crop.na, name: @crop.name, nnh4: @crop.nnh4, nno3: @crop.nno3, p: @crop.p, s: @crop.s, si: @crop.si, zn: @crop.zn } }
+    assert_redirected_to crop_url(@crop)
+  end
+
+  test "should destroy crop" do
+    assert_difference("Crop.count", -1) do
+      delete crop_url(@crop)
+    end
+
+    assert_redirected_to crops_url
+  end
+end
diff --git a/test/controllers/dashboard_controller_test.rb b/test/controllers/dashboard_controller_test.rb
new file mode 100644
index 0000000..447c045
--- /dev/null
+++ b/test/controllers/dashboard_controller_test.rb
@@ -0,0 +1,8 @@
+require "test_helper"
+
+class DashboardControllerTest < ActionDispatch::IntegrationTest
+  test "should get index" do
+    get dashboard_index_url
+    assert_response :success
+  end
+end
diff --git a/test/controllers/fertilizer_products_controller_test.rb b/test/controllers/fertilizer_products_controller_test.rb
new file mode 100644
index 0000000..dbdd44f
--- /dev/null
+++ b/test/controllers/fertilizer_products_controller_test.rb
@@ -0,0 +1,48 @@
+require "test_helper"
+
+class FertilizerProductsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @fertilizer_product = fertilizer_products(:one)
+  end
+
+  test "should get index" do
+    get fertilizer_products_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_fertilizer_product_url
+    assert_response :success
+  end
+
+  test "should create fertilizer_product" do
+    assert_difference("FertilizerProduct.count") do
+      post fertilizer_products_url, params: { fertilizer_product: { name: @fertilizer_product.name, purity: @fertilizer_product.purity } }
+    end
+
+    assert_redirected_to fertilizer_product_url(FertilizerProduct.last)
+  end
+
+  test "should show fertilizer_product" do
+    get fertilizer_product_url(@fertilizer_product)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_fertilizer_product_url(@fertilizer_product)
+    assert_response :success
+  end
+
+  test "should update fertilizer_product" do
+    patch fertilizer_product_url(@fertilizer_product), params: { fertilizer_product: { name: @fertilizer_product.name, purity: @fertilizer_product.purity } }
+    assert_redirected_to fertilizer_product_url(@fertilizer_product)
+  end
+
+  test "should destroy fertilizer_product" do
+    assert_difference("FertilizerProduct.count", -1) do
+      delete fertilizer_product_url(@fertilizer_product)
+    end
+
+    assert_redirected_to fertilizer_products_url
+  end
+end
diff --git a/test/controllers/nutrient_measurement_controller_test.rb b/test/controllers/nutrient_measurement_controller_test.rb
new file mode 100644
index 0000000..02523e0
--- /dev/null
+++ b/test/controllers/nutrient_measurement_controller_test.rb
@@ -0,0 +1,8 @@
+require "test_helper"
+
+class NutrientMeasurementControllerTest < ActionDispatch::IntegrationTest
+  test "should get index" do
+    get nutrient_measurement_index_url
+    assert_response :success
+  end
+end
diff --git a/test/controllers/rafts_controller_test.rb b/test/controllers/rafts_controller_test.rb
new file mode 100644
index 0000000..0d608d3
--- /dev/null
+++ b/test/controllers/rafts_controller_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class RaftsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/controllers/recipes_controller_test.rb b/test/controllers/recipes_controller_test.rb
new file mode 100644
index 0000000..2280833
--- /dev/null
+++ b/test/controllers/recipes_controller_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class RecipesControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/fixtures/beds.yml b/test/fixtures/beds.yml
new file mode 100644
index 0000000..330db85
--- /dev/null
+++ b/test/fixtures/beds.yml
@@ -0,0 +1,7 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  number: 1
+
+two:
+  number: 1
diff --git a/test/fixtures/crops.yml b/test/fixtures/crops.yml
new file mode 100644
index 0000000..32cd3d5
--- /dev/null
+++ b/test/fixtures/crops.yml
@@ -0,0 +1,41 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  crop_type: 1
+  nno3: 1.5
+  p: 1.5
+  k: 1.5
+  ca: 1.5
+  mg: 1.5
+  s: 1.5
+  na: 1.5
+  cl: 1.5
+  si: 1.5
+  fe: 1.5
+  zn: 1.5
+  b: 1.5
+  mn: 1.5
+  cu: 1.5
+  mo: 1.5
+  nnh4: 1.5
+
+two:
+  name: MyString
+  crop_type: 1
+  nno3: 1.5
+  p: 1.5
+  k: 1.5
+  ca: 1.5
+  mg: 1.5
+  s: 1.5
+  na: 1.5
+  cl: 1.5
+  si: 1.5
+  fe: 1.5
+  zn: 1.5
+  b: 1.5
+  mn: 1.5
+  cu: 1.5
+  mo: 1.5
+  nnh4: 1.5
diff --git a/test/fixtures/fertilizer_products.yml b/test/fixtures/fertilizer_products.yml
new file mode 100644
index 0000000..5784aac
--- /dev/null
+++ b/test/fixtures/fertilizer_products.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  purity: 9.99
+
+two:
+  name: MyString
+  purity: 9.99
diff --git a/test/fixtures/files/.keep b/test/fixtures/files/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/fixtures/files/.keep
diff --git a/test/fixtures/nutrient_measurements.yml b/test/fixtures/nutrient_measurements.yml
new file mode 100644
index 0000000..8408647
--- /dev/null
+++ b/test/fixtures/nutrient_measurements.yml
@@ -0,0 +1,39 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  measured_on: 2025-08-20
+  nno3: 1.5
+  p: 1.5
+  k: 1.5
+  ca: 1.5
+  mg: 1.5
+  s: 1.5
+  na: 1.5
+  cl: 1.5
+  si: 1.5
+  fe: 1.5
+  zn: 1.5
+  b: 1.5
+  mn: 1.5
+  cu: 1.5
+  mo: 1.5
+  nnh4: 1.5
+
+two:
+  measured_on: 2025-08-20
+  nno3: 1.5
+  p: 1.5
+  k: 1.5
+  ca: 1.5
+  mg: 1.5
+  s: 1.5
+  na: 1.5
+  cl: 1.5
+  si: 1.5
+  fe: 1.5
+  zn: 1.5
+  b: 1.5
+  mn: 1.5
+  cu: 1.5
+  mo: 1.5
+  nnh4: 1.5
diff --git a/test/fixtures/nutrients.yml b/test/fixtures/nutrients.yml
new file mode 100644
index 0000000..f3c6fc9
--- /dev/null
+++ b/test/fixtures/nutrients.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  formula: MyString
+  name: MyString
+
+two:
+  formula: MyString
+  name: MyString
diff --git a/test/fixtures/rafts.yml b/test/fixtures/rafts.yml
new file mode 100644
index 0000000..1869e29
--- /dev/null
+++ b/test/fixtures/rafts.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  bed: one
+  location: 1
+
+two:
+  bed: two
+  location: 1
diff --git a/test/helpers/.keep b/test/helpers/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/helpers/.keep
diff --git a/test/integration/.keep b/test/integration/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/integration/.keep
diff --git a/test/mailers/.keep b/test/mailers/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/mailers/.keep
diff --git a/test/models/.keep b/test/models/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/models/.keep
diff --git a/test/models/bed_test.rb b/test/models/bed_test.rb
new file mode 100644
index 0000000..67b50da
--- /dev/null
+++ b/test/models/bed_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class BedTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/crop_test.rb b/test/models/crop_test.rb
new file mode 100644
index 0000000..52e4feb
--- /dev/null
+++ b/test/models/crop_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class CropTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/fertilizer_composition_test.rb b/test/models/fertilizer_composition_test.rb
new file mode 100644
index 0000000..5823d3e
--- /dev/null
+++ b/test/models/fertilizer_composition_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class FertilizerCompositionTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/fertilizer_product_test.rb b/test/models/fertilizer_product_test.rb
new file mode 100644
index 0000000..2da4ee7
--- /dev/null
+++ b/test/models/fertilizer_product_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class FertilizerProductTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/fertilizer_test.rb b/test/models/fertilizer_test.rb
new file mode 100644
index 0000000..71c9769
--- /dev/null
+++ b/test/models/fertilizer_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class FertilizerTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/nutrient_measurement_test.rb b/test/models/nutrient_measurement_test.rb
new file mode 100644
index 0000000..866c8f6
--- /dev/null
+++ b/test/models/nutrient_measurement_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class NutrientMeasurementTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/nutrient_test.rb b/test/models/nutrient_test.rb
new file mode 100644
index 0000000..61649ad
--- /dev/null
+++ b/test/models/nutrient_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class NutrientTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/raft_test.rb b/test/models/raft_test.rb
new file mode 100644
index 0000000..adb1ef0
--- /dev/null
+++ b/test/models/raft_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class RaftTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/system/.keep b/test/system/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/system/.keep
diff --git a/test/system/crops_test.rb b/test/system/crops_test.rb
new file mode 100644
index 0000000..bbf3e28
--- /dev/null
+++ b/test/system/crops_test.rb
@@ -0,0 +1,75 @@
+require "application_system_test_case"
+
+class CropsTest < ApplicationSystemTestCase
+  setup do
+    @crop = crops(:one)
+  end
+
+  test "visiting the index" do
+    visit crops_url
+    assert_selector "h1", text: "Crops"
+  end
+
+  test "should create crop" do
+    visit crops_url
+    click_on "New crop"
+
+    fill_in "B", with: @crop.b
+    fill_in "Ca", with: @crop.ca
+    fill_in "Cl", with: @crop.cl
+    fill_in "Crop type", with: @crop.crop_type
+    fill_in "Cu", with: @crop.cu
+    fill_in "Fe", with: @crop.fe
+    fill_in "K", with: @crop.k
+    fill_in "Mg", with: @crop.mg
+    fill_in "Mn", with: @crop.mn
+    fill_in "Mo", with: @crop.mo
+    fill_in "Na", with: @crop.na
+    fill_in "Name", with: @crop.name
+    fill_in "Nnh4", with: @crop.nnh4
+    fill_in "Nno3", with: @crop.nno3
+    fill_in "P", with: @crop.p
+    fill_in "S", with: @crop.s
+    fill_in "Si", with: @crop.si
+    fill_in "Zn", with: @crop.zn
+    click_on "Create Crop"
+
+    assert_text "Crop was successfully created"
+    click_on "Back"
+  end
+
+  test "should update Crop" do
+    visit crop_url(@crop)
+    click_on "Edit this crop", match: :first
+
+    fill_in "B", with: @crop.b
+    fill_in "Ca", with: @crop.ca
+    fill_in "Cl", with: @crop.cl
+    fill_in "Crop type", with: @crop.crop_type
+    fill_in "Cu", with: @crop.cu
+    fill_in "Fe", with: @crop.fe
+    fill_in "K", with: @crop.k
+    fill_in "Mg", with: @crop.mg
+    fill_in "Mn", with: @crop.mn
+    fill_in "Mo", with: @crop.mo
+    fill_in "Na", with: @crop.na
+    fill_in "Name", with: @crop.name
+    fill_in "Nnh4", with: @crop.nnh4
+    fill_in "Nno3", with: @crop.nno3
+    fill_in "P", with: @crop.p
+    fill_in "S", with: @crop.s
+    fill_in "Si", with: @crop.si
+    fill_in "Zn", with: @crop.zn
+    click_on "Update Crop"
+
+    assert_text "Crop was successfully updated"
+    click_on "Back"
+  end
+
+  test "should destroy Crop" do
+    visit crop_url(@crop)
+    click_on "Destroy this crop", match: :first
+
+    assert_text "Crop was successfully destroyed"
+  end
+end
diff --git a/test/system/fertilizer_products_test.rb b/test/system/fertilizer_products_test.rb
new file mode 100644
index 0000000..be82ed5
--- /dev/null
+++ b/test/system/fertilizer_products_test.rb
@@ -0,0 +1,43 @@
+require "application_system_test_case"
+
+class FertilizerProductsTest < ApplicationSystemTestCase
+  setup do
+    @fertilizer_product = fertilizer_products(:one)
+  end
+
+  test "visiting the index" do
+    visit fertilizer_products_url
+    assert_selector "h1", text: "Fertilizer products"
+  end
+
+  test "should create fertilizer product" do
+    visit fertilizer_products_url
+    click_on "New fertilizer product"
+
+    fill_in "Name", with: @fertilizer_product.name
+    fill_in "Purity", with: @fertilizer_product.purity
+    click_on "Create Fertilizer product"
+
+    assert_text "Fertilizer product was successfully created"
+    click_on "Back"
+  end
+
+  test "should update Fertilizer product" do
+    visit fertilizer_product_url(@fertilizer_product)
+    click_on "Edit this fertilizer product", match: :first
+
+    fill_in "Name", with: @fertilizer_product.name
+    fill_in "Purity", with: @fertilizer_product.purity
+    click_on "Update Fertilizer product"
+
+    assert_text "Fertilizer product was successfully updated"
+    click_on "Back"
+  end
+
+  test "should destroy Fertilizer product" do
+    visit fertilizer_product_url(@fertilizer_product)
+    click_on "Destroy this fertilizer product", match: :first
+
+    assert_text "Fertilizer product was successfully destroyed"
+  end
+end
diff --git a/test/test_helper.rb b/test/test_helper.rb
new file mode 100644
index 0000000..0c22470
--- /dev/null
+++ b/test/test_helper.rb
@@ -0,0 +1,15 @@
+ENV["RAILS_ENV"] ||= "test"
+require_relative "../config/environment"
+require "rails/test_help"
+
+module ActiveSupport
+  class TestCase
+    # Run tests in parallel with specified workers
+    parallelize(workers: :number_of_processors)
+
+    # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
+    fixtures :all
+
+    # Add more helper methods to be used by all tests here...
+  end
+end
diff --git a/tmp/.keep b/tmp/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tmp/.keep
diff --git a/tmp/pids/.keep b/tmp/pids/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tmp/pids/.keep
diff --git a/tmp/storage/.keep b/tmp/storage/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tmp/storage/.keep
diff --git a/vendor/.gitignore b/vendor/.gitignore
new file mode 100644
index 0000000..1bc4299
--- /dev/null
+++ b/vendor/.gitignore
@@ -0,0 +1,3 @@
+/bundle/*
+!/bundle/
+!/bundle/.keep
\ No newline at end of file
diff --git a/vendor/bundle/.keep b/vendor/bundle/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/vendor/bundle/.keep
diff --git a/vendor/javascript/.keep b/vendor/javascript/.keep
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/vendor/javascript/.keep