Configuring the environment name in Rails

README.md

@@ -53,6 +53,8 @@ which will generate customizable config file `config/initializers/config.rb` and
 
 You can now edit them to adjust to your needs.
 
+> Note: By default, the config environment will match the Rails environment (`Rails.env`). This can be changed by setting `config.environment`.
+
 ### Installing on Padrino
 
 Add the gem to your `Gemfile` and run `bundle install` to install it. Then edit `app.rb` and register `Config`

lib/config.rb

@@ -27,7 +27,8 @@ module Config
  overwrite_arrays: true,
  merge_hash_arrays: false,
  validation_contract: nil,
- evaluate_erb_in_yaml: true
+ evaluate_erb_in_yaml: true,
+ environment: nil
  )
 
  def self.setup

lib/config/integrations/rails/railtie.rb

@@ -9,7 +9,7 @@ def preload
 
  # Parse the settings before any of the initializers
  Config.load_and_set_settings(
- Config.setting_files(::Rails.root.join('config'), ::Rails.env)
+ Config.setting_files(::Rails.root.join('config'), Config.environment.nil? ? ::Rails.env : Config.environment.to_sym)
  )
  end
 

lib/generators/config/templates/config.rb

@@ -15,6 +15,11 @@
  #
  # config.overwrite_arrays = true
 
+ # Defines current environment, affecting which settings file will be loaded.
+ # Default: `Rails.env`
+ #
+ # config.environment = ENV.fetch('ENVIRONMENT', :development)
+
  # Load environment variables from the `ENV` object and override any settings defined in files.
  #
  # config.use_env = false