WIP / Docker setup

.dockerignore

@@ -1,5 +1,18 @@
-/log/*
-/tmp/*
-/node_modules
-/.bundle
-/public/assets
+.byebug_history
+.env*
+.git
+.gitignore
+.dockerignore
+.github/*
+Brewfile
+Procfile*
+docker-compose.*
+Dockerfile
+coverage/*
+log/*
+node_modules/*
+public/assets/*
+storage/*
+public/packs/*
+public/packs-test/*
+tmp/*

Dockerfile

@@ -1,18 +1,84 @@
-FROM ruby:2.6.3-alpine
+######################
+# Stage: Builder
+FROM ruby:2.6.5-alpine as Builder
 
-RUN apk add --update --no-cache bash build-base nodejs sqlite-dev tzdata postgresql-dev yarn git
+ARG FOLDERS_TO_REMOVE
+ARG BUNDLE_WITHOUT
+ARG RAILS_ENV
 
-RUN gem install bundler:2.0.2
+ENV BUNDLE_WITHOUT ${BUNDLE_WITHOUT}
+ENV RAILS_ENV ${RAILS_ENV}
+ENV SECRET_KEY_BASE=foo
+ENV RAILS_SERVE_STATIC_FILES=true
 
-WORKDIR /usr/src/app
+RUN apk add --update --no-cache \
+    build-base \
+    postgresql-dev \
+    git \
+    imagemagick \
+    nodejs \
+    yarn \
+    tzdata
 
-COPY package.json yarn.lock ./
-RUN yarn install --check-files
+WORKDIR /app
 
-COPY Gemfile* ./
-RUN bundle install
+# Install gems
+ADD Gemfile* /app/
+RUN bundle config --global frozen 1 \
+ && bundle install -j4 --retry 3 \
+ # Remove unneeded files (cached *.gem, *.o, *.c)
+ && rm -rf /usr/local/bundle/cache/*.gem \
+ && find /usr/local/bundle/gems/ -name "*.c" -delete \
+ && find /usr/local/bundle/gems/ -name "*.o" -delete
 
-COPY . .
+# Install yarn packages
+COPY package.json yarn.lock .yarnclean /app/
+RUN yarn install
 
-ENV PATH=./bin:$PATH
-CMD ["rails", "console"]
+# Add the Rails app
+ADD . /app
+
+# Precompile assets
+RUN bundle exec rake assets:precompile
+
+# Remove folders not needed in resulting image
+RUN rm -rf $FOLDERS_TO_REMOVE
+
+###############################
+# Stage Final
+FROM ruby:2.6.5-alpine
+LABEL maintainer="[email protected]"
+
+ARG ADDITIONAL_PACKAGES
+
+# Add Alpine packages
+RUN apk add --update --no-cache \
+    postgresql-client \
+    imagemagick \
+    $ADDITIONAL_PACKAGES \
+    tzdata \
+    file
+
+# Add user
+RUN addgroup -g 1000 -S app \
+ && adduser -u 1000 -S app -G app
+USER app
+
+# Copy app with gems from former build stage
+COPY --from=Builder /usr/local/bundle/ /usr/local/bundle/
+COPY --from=Builder --chown=app:app /app /app
+
+# Set Rails env
+ENV RAILS_LOG_TO_STDOUT true
+ENV RAILS_SERVE_STATIC_FILES true
+
+WORKDIR /app
+
+# Expose Puma port
+EXPOSE 3000
+
+# Save timestamp of image building
+RUN date -u > BUILD_TIME
+
+# Start up
+CMD ["docker/startup.sh"]

Gemfile

@@ -1,24 +1,22 @@
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.6.3'
+ruby '~> 2.6'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 6.0.0'
 # Use postgresql as the database for Active Record
 gem 'pg', '>= 0.18', '< 2.0'
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 4'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
-gem 'webpacker', '~> 4.0'
+gem 'webpacker', '~> 4.2'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.5'
 # Use Redis adapter to run Action Cable in production
-# gem 'redis', '~> 4.0'
+gem 'redis', '~> 4.1'
 # Use Active Model has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
 
@@ -32,10 +30,11 @@ gem 'awesome_print'
 gem 'devise', '~> 4.7'
 gem 'ffaker'
 gem 'gettext_i18n_rails'
-gem 'rack-cors'
+gem 'rack'
+gem 'rack-cors', require: 'rack/cors'
 gem 'rest-client'
 gem 'sentry-raven'
-gem 'sidekiq', '5.2.7'
+gem 'sidekiq'
 gem 'simple_form', '~> 5.0'
 gem 'slim', '~> 4.0'
 gem 'validates_email_format_of'
@@ -53,12 +52,13 @@ gem 'blind_index'
 gem 'logstop'
 
 group :development, :test do
+  # Security Audit for installed Gems
+  gem 'bundler-audit'
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
   gem 'database_cleaner'
   gem 'dotenv-rails'
   gem 'factory_bot_rails'
-  gem 'ffaker'
   gem 'rspec-rails'
 end
 
@@ -68,12 +68,13 @@ group :development do
   gem 'gettext', '>=3.0.2', require: false
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
   gem 'web-console', '>= 3.3.0'
-  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'listen', '>= 3.0.5', '< 3.3'
   # Find translations inside haml/slim files
   gem 'ruby_parser', require: false
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'spring-commands-rspec'
 end
 
 group :test do