Initial Rails test app

.gitignore

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+*.log
+tmp/
+.bundle
+vendor/bundle
+node_modules/
+.env

Dockerfile

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+FROM ruby:3.2-slim
+
+RUN apt-get update -qq && \
+    apt-get install -y build-essential libmariadb-dev git curl && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY Gemfile Gemfile.lock ./
+RUN bundle install
+
+COPY . .
+
+RUN bundle exec rails assets:precompile 2>/dev/null || true
+
+EXPOSE 3000
+
+CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]

Gemfile

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+source 'https://rubygems.org'
+
+ruby '3.2.0'
+
+gem 'rails', '~> 7.1.0'
+gem 'mysql2', '~> 0.5'
+gem 'puma', '~> 6.0'
+gem 'bootsnap', require: false
+
+group :development, :test do
+  gem 'debug', platforms: %i[mri windows]
+end

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (7.1.6)
+      actionpack (= 7.1.6)
+      activesupport (= 7.1.6)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.1.6)
+      actionpack (= 7.1.6)
+      activejob (= 7.1.6)
+      activerecord (= 7.1.6)
+      activestorage (= 7.1.6)
+      activesupport (= 7.1.6)
+      mail (>= 2.7.1)
+      net-imap
+      net-pop
+      net-smtp
+    actionmailer (7.1.6)
+      actionpack (= 7.1.6)
+      actionview (= 7.1.6)
+      activejob (= 7.1.6)
+      activesupport (= 7.1.6)
+      mail (~> 2.5, >= 2.5.4)
+      net-imap
+      net-pop
+      net-smtp
+      rails-dom-testing (~> 2.2)
+    actionpack (7.1.6)
+      actionview (= 7.1.6)
+      activesupport (= 7.1.6)
+      cgi
+      nokogiri (>= 1.8.5)
+      racc
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    actiontext (7.1.6)
+      actionpack (= 7.1.6)
+      activerecord (= 7.1.6)
+      activestorage (= 7.1.6)
+      activesupport (= 7.1.6)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (7.1.6)
+      activesupport (= 7.1.6)
+      builder (~> 3.1)
+      cgi
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.1.6)
+      activesupport (= 7.1.6)
+      globalid (>= 0.3.6)
+    activemodel (7.1.6)
+      activesupport (= 7.1.6)
+    activerecord (7.1.6)
+      activemodel (= 7.1.6)
+      activesupport (= 7.1.6)
+      timeout (>= 0.4.0)
+    activestorage (7.1.6)
+      actionpack (= 7.1.6)
+      activejob (= 7.1.6)
+      activerecord (= 7.1.6)
+      activesupport (= 7.1.6)
+      marcel (~> 1.0)
+    activesupport (7.1.6)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      mutex_m
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0)
+    base64 (0.3.0)
+    benchmark (0.5.0)
+    bigdecimal (4.0.1)
+    bootsnap (1.21.1)
+      msgpack (~> 1.2)
+    builder (3.3.0)
+    cgi (0.5.1)
+    concurrent-ruby (1.3.6)
+    connection_pool (3.0.2)
+    crass (1.0.6)
+    date (3.5.1)
+    debug (1.11.1)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
+    drb (2.2.3)
+    erb (6.0.1)
+    erubi (1.13.1)
+    globalid (1.3.0)
+      activesupport (>= 6.1)
+    i18n (1.14.8)
+      concurrent-ruby (~> 1.0)
+    io-console (0.8.2)
+    irb (1.16.0)
+      pp (>= 0.6.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    logger (1.7.0)
+    loofah (2.25.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.9.0)
+      logger
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.1.0)
+    mini_mime (1.1.5)
+    minitest (6.0.1)
+      prism (~> 1.5)
+    msgpack (1.8.0)
+    mutex_m (0.3.0)
+    mysql2 (0.5.7)
+      bigdecimal
+    net-imap (0.6.2)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.1)
+      net-protocol
+    nio4r (2.7.5)
+    nokogiri (1.19.0-aarch64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.0-aarch64-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.0-arm-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.0-arm-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.0-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.0-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.0-x86_64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.0-x86_64-linux-musl)
+      racc (~> 1.4)
+    pp (0.6.3)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.8.0)
+    psych (5.3.1)
+      date
+      stringio
+    puma (6.6.1)
+      nio4r (~> 2.0)
+    racc (1.8.1)
+    rack (3.2.4)
+    rack-session (2.1.1)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rackup (2.3.1)
+      rack (>= 3)
+    rails (7.1.6)
+      actioncable (= 7.1.6)
+      actionmailbox (= 7.1.6)
+      actionmailer (= 7.1.6)
+      actionpack (= 7.1.6)
+      actiontext (= 7.1.6)
+      actionview (= 7.1.6)
+      activejob (= 7.1.6)
+      activemodel (= 7.1.6)
+      activerecord (= 7.1.6)
+      activestorage (= 7.1.6)
+      activesupport (= 7.1.6)
+      bundler (>= 1.15.0)
+      railties (= 7.1.6)
+    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 (7.1.6)
+      actionpack (= 7.1.6)
+      activesupport (= 7.1.6)
+      cgi
+      irb
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      tsort (>= 0.2)
+      zeitwerk (~> 2.6)
+    rake (13.3.1)
+    rdoc (7.1.0)
+      erb
+      psych (>= 4.0.0)
+      tsort
+    reline (0.6.3)
+      io-console (~> 0.5)
+    securerandom (0.4.1)
+    stringio (3.2.0)
+    thor (1.5.0)
+    timeout (0.6.0)
+    tsort (0.2.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    websocket-driver (0.8.0)
+      base64
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    zeitwerk (2.7.4)
+
+PLATFORMS
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  x86_64-darwin
+  x86_64-linux
+  x86_64-linux-gnu
+  x86_64-linux-musl
+
+DEPENDENCIES
+  bootsnap
+  debug
+  mysql2 (~> 0.5)
+  puma (~> 6.0)
+  rails (~> 7.1.0)
+
+RUBY VERSION
+   ruby 3.4.7p58
+
+BUNDLED WITH
+   2.6.9

Rakefile

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+require_relative "config/application"
+Rails.application.load_tasks

app/controllers/application_controller.rb

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+class ApplicationController < ActionController::Base
+end

app/controllers/home_controller.rb

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+class HomeController < ApplicationController
+  def index
+    @db_status = check_database
+    @timestamp = Time.current
+  end
+
+  def health
+    render json: { status: "ok", database: check_database, timestamp: Time.current }
+  end
+
+  private
+
+  def check_database
+    ActiveRecord::Base.connection.execute("SELECT 1")
+    "connected"
+  rescue => e
+    "error: #{e.message}"
+  end
+end

app/views/home/index.html.erb

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+<div class="container">
+  <h1>Rails Test Application</h1>
+  <p>Unity Platform - Coolify Deployment Test</p>
+
+  <h3>Status</h3>
+  <div class="status <%= @db_status == 'connected' ? 'ok' : 'error' %>">
+    Database: <strong><%= @db_status %></strong>
+  </div>
+
+  <h3>Environment</h3>
+  <ul>
+    <li>Rails Version: <code><%= Rails.version %></code></li>
+    <li>Ruby Version: <code><%= RUBY_VERSION %></code></li>
+    <li>Environment: <code><%= Rails.env %></code></li>
+    <li>Server Time: <code><%= @timestamp %></code></li>
+  </ul>
+
+  <h3>Health Endpoint</h3>
+  <p>Check <a href="/health">/health</a> for JSON status</p>
+</div>

app/views/layouts/application.html.erb

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+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Rails Test App</title>
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <style>
+      body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; max-width: 800px; margin: 50px auto; padding: 20px; background: #f5f5f5; }
+      .container { background: white; padding: 40px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
+      h1 { color: #cc0000; }
+      .status { padding: 10px 20px; border-radius: 5px; margin: 10px 0; }
+      .status.ok { background: #d4edda; color: #155724; }
+      .status.error { background: #f8d7da; color: #721c24; }
+      code { background: #e9ecef; padding: 2px 6px; border-radius: 3px; }
+    </style>
+  </head>
+  <body>
+    <%= yield %>
+  </body>
+</html>

config.ru

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+require_relative "config/environment"
+
+run Rails.application
+Rails.application.load_server

config/application.rb

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+require_relative "boot"
+require "rails/all"
+
+Bundler.require(*Rails.groups)
+
+module RailsTest
+  class Application < Rails::Application
+    config.load_defaults 7.1
+    config.api_only = false
+  end
+end

config/boot.rb

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+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+require 'bundler/setup'
+require 'bootsnap/setup'

config/database.yml

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+default: &default
+  adapter: mysql2
+  encoding: utf8mb4
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  username: <%= ENV.fetch("DB_USERNAME") { "root" } %>
+  password: <%= ENV.fetch("DB_PASSWORD") { "" } %>
+  host: <%= ENV.fetch("DB_HOST") { "localhost" } %>
+  port: <%= ENV.fetch("DB_PORT") { 3306 } %>
+
+development:
+  <<: *default
+  database: rails_test_development
+
+test:
+  <<: *default
+  database: rails_test_test
+
+production:
+  <<: *default
+  database: <%= ENV.fetch("DB_NAME") { "rails_test_production" } %>

config/environment.rb

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+require_relative "application"
+Rails.application.initialize!

config/environments/production.rb

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+require "active_support/core_ext/integer/time"
+
+Rails.application.configure do
+  config.enable_reloading = false
+  config.eager_load = true
+  config.consider_all_requests_local = false
+  config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
+  config.force_ssl = false
+  config.logger = ActiveSupport::Logger.new(STDOUT)
+    .tap  { |logger| logger.formatter = ::Logger::Formatter.new }
+    .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
+  config.log_tags = [:request_id]
+  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
+  config.active_support.report_deprecations = false
+  config.active_record.dump_schema_after_migration = false
+end

config/initializers/filter_parameter_logging.rb

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+Rails.application.config.filter_parameters += [:password, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn]

config/puma.rb

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+max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
+min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
+threads min_threads_count, max_threads_count
+
+worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
+
+port ENV.fetch("PORT") { 3000 }
+
+environment ENV.fetch("RAILS_ENV") { "production" }
+
+pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
+
+plugin :tmp_restart

config/routes.rb

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+Rails.application.routes.draw do
+  root "home#index"
+  get "health", to: "home#health"
+end

config/secrets.yml

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+production:
+  secret_key_base: <%= ENV["SECRET_KEY_BASE"] %>