#85 YAML Configuration File

Dec 23, 2007 | 7 minutes | Tools

Application configuration shouldn't be spread throughout your code base. Instead a much better place to put it is an external YAML file. See how to do that in this episode.

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There is a newer version of this episode, see the revised episode.

Resources

PeepCode Rails Code Review Book

          config/initializers/load_config.rb
        
APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[RAILS_ENV]

          application.rb
        
def authenticate
  if APP_CONFIG['perform_authentication']
    authenticate_or_request_with_http_basic do |username, password|
      username == APP_CONFIG['username'] && password == APP_CONFIG['password']
    end
  end
end

          config/config.yml
        
development:
  perform_authentication: false

test:
  perform_authentication: false

production:
  perform_authentication: true
  username: admin
  password: secret