kubicek · November 10, 2023 13:45 · vsnguyen · Dec 1, 2022 · stephent4t · Nov 10, 2023
diff --git a/docker-compose.yml b/docker-compose.yml
 version: '3.1'
 services:
  db:
    image: postgres:alpine
    restart: always
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
    ports:
      - '5432:5432'
    volumes: 
      - postgres:/var/lib/postgresql/data
  redis:
    image: redis:6.2-alpine
    restart: always
    ports:
      - '6379:6379'
    command: redis-server --save 20 1 --loglevel warning
    volumes: 
      - redis:/data
  web:
    build: .
    tty: true
    environment:
      - REDIS_URL=redis://redis:6379
      - DATABASE_URL=postgres://postgres:postgres@db:5432/web
    volumes:
      - .:/myapp
    ports:
      - "3000:3000"
    depends_on:
      - db
      - redis
 volumes:
  postgres:
    driver: local
  redis:
    driver: local
diff --git a/Dockerfile b/Dockerfile
 FROM ruby:3

 # based on https://github.com/timbru31/docker-ruby-node/blob/master/3.1/16/Dockerfile
 RUN curl -sL https://deb.nodesource.com/setup_17.x | bash -\
  && apt-get update -qq && apt-get install -qq --no-install-recommends \
    postgresql-client nodejs redis-tools \
  && apt-get upgrade -qq \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*\
  && npm install -g yarn

 RUN mkdir /myapp
 WORKDIR /myapp

 COPY Gemfile /myapp/Gemfile
 COPY Gemfile.lock /myapp/Gemfile.lock

 RUN bundle install

 COPY . /myapp

 RUN yarn install

 EXPOSE 3000

 CMD "bin/dev"
diff --git a/template.rb b/template.rb
 # This template:
 # * commits new generated rails skeleton,
 # * fetches latest bullettrain template sources and stores
 #   it in separate commit
 # * sets up docker-compose

 # Usage: rails new myapp -m https://gist.githubusercontent.com/kubicek/58f2dddc7b8f823ba73923693efa64c1/raw/template.rb

 # template source based on: https://github.com/mattbrictson/rails-template

 def rails_version
  @rails_version ||= Gem::Version.new(Rails::VERSION::STRING)
 end

 def rails_7_0_0?
  Gem::Requirement.new("= 7.0.0").satisfied_by? rails_version
 end

 unless rails_7_0_0?
  puts "Please use Rails 7.0.0 by executing rails _7.0.0_ new"
 end

 def commit_skeleton
  git add: "."
  # git commit will fail if user.email is not configured
  begin
    git commit: %( -m 'Rails 7.0.0 generated skeleton' )
  rescue StandardError => e
    puts e.message
  end
 end

 def commit_bullettrain
  git clone: "--depth 1 "+
  "https://github.com/bullet-train-co/bullet_train origin"
  
  # create folders
  run "git --git-dir origin/.git diff --name-only | xargs -n 1 dirname | xargs mkdir -p"
  # copy files
  run "git --git-dir origin/.git diff --name-only | xargs -L1 -I % cp ./origin/% ./%"

  run "rm -rf origin"
  git add: "."
  git commit: '-m "Added bullet_train based on #`git --git-dir origin/.git rev-parse --short HEAD`"'
 end

 def configure_bullettrain
  # from bullettrains bin/configure
  require "active_support/inflector"

  human = ask "What is the name of your new application in title case? (e.g. \"Some Great Application\")"
  variable = ActiveSupport::Inflector.parameterize(human, separator: '_')
  environment_variable = ActiveSupport::Inflector.parameterize(human, separator: '_').upcase
  class_name = variable.classify
  kebab_case = variable.tr("_", "-")

  puts ""
  say "Replacing instances of \"Untitled Application\" with \"#{human}\" throughout the codebase.", :green

  gsub_file("./.circleci/config.yml", "untitled_application", variable)
  gsub_file("./config/database.yml", "untitled_application", variable)
  gsub_file("./config/database.yml", "UNTITLED_APPLICATION", environment_variable)
  gsub_file("./config/cable.yml", "untitled_application", variable)
  gsub_file("./config/initializers/session_store.rb", "untitled_application", variable)
  gsub_file("./config/environments/production.rb", "untitled_application", variable)
  gsub_file("./config/application.rb", "UntitledApplication", class_name)
  # TODO: gsub_file("./config/locales/en/application.en.yml", "Untitled Application", human, /name/)
  gsub_file("./config/locales/en/application.en.yml", "untitled_application", variable)
  # TODO: gsub_file("./config/locales/en/application.en.yml", "untitled application", human.downcase, /keywords/)
  gsub_file("./config/locales/en/user_mailer.en.yml", "Untitled Application", human)
  say
  say "Moving `./README.example.md` to `./README.md`.", :green
  run "mv ./README.example.md ./README.md"

  # We can only do this after the README is moved into place.
  gsub_file("./README.md", "Untitled Application", human)

  git add: "."
  git commit: %( -m 'Configured bullettrain' )
 end

 def commit_docker
  get "https://gist.githubusercontent.com/kubicek/58f2dddc7b8f823ba73923693efa64c1/raw/Dockerfile", "Dockerfile"
  get "https://gist.githubusercontent.com/kubicek/58f2dddc7b8f823ba73923693efa64c1/raw/docker-compose.yml", "docker-compose.yml"

  say "Applying changes for docker"
  gsub_file("Procfile.dev","-p 3000","-p 3000 -b 0.0.0.0")
  insert_into_file "config/cable.yml", "  url: <%= ENV.fetch(\"REDIS_URL\") %>\n", :after => "adapter: redis\n"
  git add: "."
  git commit: %( -m 'Added docker' )
 end

 after_bundle do
  git :init
  commit_skeleton
  commit_bullettrain
  configure_bullettrain
  commit_docker
  say
  say "Bullettrain app successfully created!", :blue
  say
  say "To get started with your new app:", :green
  say "  cd #{original_app_name}"
  say
  say "  docker compose build"
  say "  docker compose run web bin/setup"
  say "  docker compose up"
 end
	version: '3.1'
	services:
	db:
	image: postgres:alpine
	restart: always
	environment:
	- POSTGRES_USER=postgres
	- POSTGRES_PASSWORD=postgres
	ports:
	- '5432:5432'
	volumes:
	- postgres:/var/lib/postgresql/data
	redis:
	image: redis:6.2-alpine
	restart: always
	ports:
	- '6379:6379'
	command: redis-server --save 20 1 --loglevel warning
	volumes:
	- redis:/data
	web:
	build: .
	tty: true
	environment:
	- REDIS_URL=redis://redis:6379
	- DATABASE_URL=postgres://postgres:postgres@db:5432/web
	volumes:
	- .:/myapp
	ports:
	- "3000:3000"
	depends_on:
	- db
	- redis
	volumes:
	postgres:
	driver: local
	redis:
	driver: local
	FROM ruby:3

	# based on https://github.com/timbru31/docker-ruby-node/blob/master/3.1/16/Dockerfile
	RUN curl -sL https://deb.nodesource.com/setup_17.x \| bash -\
	&& apt-get update -qq && apt-get install -qq --no-install-recommends \
	postgresql-client nodejs redis-tools \
	&& apt-get upgrade -qq \
	&& apt-get clean \
	&& rm -rf /var/lib/apt/lists/*\
	&& npm install -g yarn

	RUN mkdir /myapp
	WORKDIR /myapp

	COPY Gemfile /myapp/Gemfile
	COPY Gemfile.lock /myapp/Gemfile.lock

	RUN bundle install

	COPY . /myapp

	RUN yarn install

	EXPOSE 3000

	CMD "bin/dev"
	# This template:
	# * commits new generated rails skeleton,
	# * fetches latest bullettrain template sources and stores
	# it in separate commit
	# * sets up docker-compose

	# Usage: rails new myapp -m https://gist.githubusercontent.com/kubicek/58f2dddc7b8f823ba73923693efa64c1/raw/template.rb

	# template source based on: https://github.com/mattbrictson/rails-template

	def rails_version
	@rails_version \|\|= Gem::Version.new(Rails::VERSION::STRING)
	end

	def rails_7_0_0?
	Gem::Requirement.new("= 7.0.0").satisfied_by? rails_version
	end

	unless rails_7_0_0?
	puts "Please use Rails 7.0.0 by executing rails _7.0.0_ new"
	end

	def commit_skeleton
	git add: "."
	# git commit will fail if user.email is not configured
	begin
	git commit: %( -m 'Rails 7.0.0 generated skeleton' )
	rescue StandardError => e
	puts e.message
	end
	end

	def commit_bullettrain
	git clone: "--depth 1 "+
	"https://github.com/bullet-train-co/bullet_train origin"

	# create folders
	run "git --git-dir origin/.git diff --name-only \| xargs -n 1 dirname \| xargs mkdir -p"
	# copy files
	run "git --git-dir origin/.git diff --name-only \| xargs -L1 -I % cp ./origin/% ./%"

	run "rm -rf origin"
	git add: "."
	git commit: '-m "Added bullet_train based on #`git --git-dir origin/.git rev-parse --short HEAD`"'
	end

	def configure_bullettrain
	# from bullettrains bin/configure
	require "active_support/inflector"

	human = ask "What is the name of your new application in title case? (e.g. \"Some Great Application\")"
	variable = ActiveSupport::Inflector.parameterize(human, separator: '_')
	environment_variable = ActiveSupport::Inflector.parameterize(human, separator: '_').upcase
	class_name = variable.classify
	kebab_case = variable.tr("_", "-")

	puts ""
	say "Replacing instances of \"Untitled Application\" with \"#{human}\" throughout the codebase.", :green

	gsub_file("./.circleci/config.yml", "untitled_application", variable)
	gsub_file("./config/database.yml", "untitled_application", variable)
	gsub_file("./config/database.yml", "UNTITLED_APPLICATION", environment_variable)
	gsub_file("./config/cable.yml", "untitled_application", variable)
	gsub_file("./config/initializers/session_store.rb", "untitled_application", variable)
	gsub_file("./config/environments/production.rb", "untitled_application", variable)
	gsub_file("./config/application.rb", "UntitledApplication", class_name)
	# TODO: gsub_file("./config/locales/en/application.en.yml", "Untitled Application", human, /name/)
	gsub_file("./config/locales/en/application.en.yml", "untitled_application", variable)
	# TODO: gsub_file("./config/locales/en/application.en.yml", "untitled application", human.downcase, /keywords/)
	gsub_file("./config/locales/en/user_mailer.en.yml", "Untitled Application", human)
	say
	say "Moving `./README.example.md` to `./README.md`.", :green
	run "mv ./README.example.md ./README.md"

	# We can only do this after the README is moved into place.
	gsub_file("./README.md", "Untitled Application", human)

	git add: "."
	git commit: %( -m 'Configured bullettrain' )
	end

	def commit_docker
	get "https://gist.githubusercontent.com/kubicek/58f2dddc7b8f823ba73923693efa64c1/raw/Dockerfile", "Dockerfile"
	get "https://gist.githubusercontent.com/kubicek/58f2dddc7b8f823ba73923693efa64c1/raw/docker-compose.yml", "docker-compose.yml"

	say "Applying changes for docker"
	gsub_file("Procfile.dev","-p 3000","-p 3000 -b 0.0.0.0")
	insert_into_file "config/cable.yml", " url: <%= ENV.fetch(\"REDIS_URL\") %>\n", :after => "adapter: redis\n"
	git add: "."
	git commit: %( -m 'Added docker' )
	end

	after_bundle do
	git :init
	commit_skeleton
	commit_bullettrain
	configure_bullettrain
	commit_docker
	say
	say "Bullettrain app successfully created!", :blue
	say
	say "To get started with your new app:", :green
	say " cd #{original_app_name}"
	say
	say " docker compose build"
	say " docker compose run web bin/setup"
	say " docker compose up"
	end