Rails 4 Application Template

rails4-template.rb

# Rails 4 Application Template
# Remove normal files we don't want
remove_file "README.rdoc"
remove_file "public/index.html"
remove_file "app/assets/images/rails.png"

# Copy database.yml and secrets.yml to sample
inside "config" do
  run "cp database.yml database.yml.sample"
  run "cp secrets.yml secrets.yml.sample"
end

# Write our config/database.yml
if options[:database].to_s == "postgresql"
remove_file "config/database.yml"
create_file "config/database.yml", <<-EOF
# PostgreSQL. Versions 7.4 and 8.x are supported.
#
# Install the pg driver:
#   gem install pg
# On Mac OS X with macports:
#   gem install pg -- --with-pg-config=/opt/local/lib/postgresql84/bin/pg_config
# On Windows:
#   gem install pg
#       Choose the win32 build.
#       Install PostgreSQL and put its /bin directory on your path.
#
# Configure Using Gemfile
# gem 'pg'
#
login: &login
  adapter: postgresql
  encoding: unicode
  username: #{ENV['USER']}
  timeout: 5000
  pool: 5

development:
  <<: *login
  database: #{app_name}_development
  min_messages: warning

# 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:
  <<: *login
  database: #{app_name}_test
  min_messages: warning

production:
  <<: *login
  database: #{app_name}_production
EOF
end

# Configure our .gitignore file
insert_into_file ".gitignore", "/vendor/bundle\n",        after: "/.bundle\n"
insert_into_file ".gitignore", "/db/*.sql\n/db/*.xml\n",  after: "/db/*.sqlite3\n"
insert_into_file ".gitignore", "/log/*.log.*\n",          after: "/log/*.log\n"
insert_into_file ".gitignore", "/doc/*\n/.sass-cache\n",  after: "/tmp\n"

append_to_file ".gitignore", <<-EOF

# Local Ignores
/config/database.yml
/config/secrets.yml

# Sphinx Ignores
/db/sphinx
/log/searchd.*.pid
/config/sphinx.yml
/config/*.sphinx.conf
EOF

# Configure our Gemfile
prepend_to_file "Gemfile", "ENV['RB_USER_INSTALL'] = '1'\n"

append_to_file "Gemfile", <<-EOF
gem "dalli"
gem "rack-cors", require: "rack/cors"
gem "secure_headers"
gem "active_model_serializers"
EOF

gem_group :developer do
  gem "capistrano"
  gem "puma"
end

gem_group :development do
  gem "rails-erd"
  gem "pry-rails"
  gem "pry-theme"
end

gem_group :test, :development do
  gem "factory_girl_rails"
end

gem_group :test do
  gem "shoulda", ">= 3.0.1"
  gem "factory_girl"
end

# Clean the Gemfile
gsub_file "Gemfile", <<-EOF, ""
# Use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# Use unicorn as the app server
# gem 'unicorn'

# Use Capistrano for deployment
# gem 'capistrano', group: :development

# Use debugger
# gem 'debugger', group: [:development, :test]
EOF

gsub_file "Gemfile", /\"/, "'"

run "bundle install --path vendor/bundle"

# Configure CORS in config/application.rb
insert_into_file "config/application.rb", after: "    # config.i18n.default_locale = :de\n" do
"
    config.middleware.use Rack::Cors do
      allow do
        origins '*'
        resource '/*', headers: :any, methods: [:get, :post]
      end
    end
"
end

# Configure SecureHeaders
create_file "config/initializers/secure_headers.rb" do
"::SecureHeaders::Configuration.configure do |config|
  config.hsts                   = { max_age: 99, include_subdomains: true}
  config.x_frame_options        = 'DENY'
  config.x_content_type_options = 'nosniff'
  config.x_xss_protection       = { value: 1, mode: false}
  config.csp                    = {
    enforce:      Rails.env.production?,
    default_src:  'inline eval self',
    report_uri:   '/uri-directive',
    img_src:      'https://ribbon.m247.com data: self',
    style_src:    'https://ribbon.m247.com inline self',
    script_src:   'https://ribbon.m247.com inline eval self',
    connect_src:  'https://ribbon.m247.com self',
    frame_src:    'none' 
  }
end
"
end

insert_into_file "app/controllers/application_controller.rb", after: "  protect_from_forgery with: :exception\n" do
  "  ensure_security_headers\n"
end

# Comment the cookie_store and activate the mem_cache_store
gsub_file "config/initializers/session_store.rb",
  /(#{app_const}\.config\.session_store :cookie_store, key: '(?:.*)_session')/, '# \1'

append_to_file "config/initializers/session_store.rb" do
"
#{app_const}.config.session_store :mem_cache_store,
  key: '_#{app_name.underscore}_session', namespace: '#{app_name.underscore.gsub('_',':')}:session',
  expire_after: 2.days
"
end

# Enable log rotation in all environments
%w(development test).each do |f|
  insert_into_file "config/environments/#{f}.rb",
    "  config.logger = Logger.new(Rails.root.join(\"log\", Rails.env + \".log\"), 3, 5242880)\n",
    after: "  # Settings specified here will take precedence over those in config/application.rb.\n"
end

# Configure Production environment
gsub_file "config/environments/production.rb",
  /# (config\.action_dispatch\.x_sendfile_header = 'X-Accel-Redirect' # for nginx)/, '\1'

gsub_file "config/environments/production.rb",
  /# (config.log_tags = \[ :subdomain, :uuid \])/, '\1'

insert_into_file "config/environments/production.rb", after: "# config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)\n" do
"
  # Log to environment log file, keep 7, max size 100mb
  config.logger = ActiveSupport::TaggedLogging.new(Logger.new(Rails.root.join(\"log\", Rails.env + \".log\"), 7, 104857600))
"
end

gsub_file "config/environments/production.rb", /# (config\.cache_store = :mem_cache_store)/,
  "\\1, { namespace: '#{app_name.underscore.gsub('_',':')}', expires_in: 86400, compress: true }"

git :init
git add: "."
git commit: "-m 'Initial commit of Rails skeleton'"

I think 100.megabytes looks better then 104857600