Local ENV['SOMETHING'] for Rails App

The way I like to keep my local environment in a rails app. You know sometimes we need to keep our config variables locally and the best way(at least to me) …

The way I like to keep my local environment in a rails app.

You know sometimes we need to keep our config variables locally and the best way(at least to me) is the following:
1. Create YAML file with our local variables in config/local_env.yml

2. Add following to config/application.rb

    ##
    # Loads local env.
    #
    config.before_configuration do
      env_file = File.join(Rails.root, 'config', 'local_env.yml')
      YAML.load(File.open(env_file)).each do |key, value|
        ENV[key.to_s] = value
      end if File.exists?(env_file)
    end

3. Now you can call you local variables from any place in your application like the following:
ENV["PAYPAL_CLIEN_ID"]

**IMPORTANT: Make sure not to share local_env.yml on any online repositories for security reasons.

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