Railsで定数を環境ごとに管理するrails_config（現 config） - Qiita$ bundle install --path vendor/bundle $ bundle exec rails g config:install create config/initializers/rails_config.rb create config/settings.yml create config/settings.local.yml create config/settings create config/settings/development.yml create config/settings/production.yml create config/settings/test.yml append .gitignore
