Rails loading config from yaml

application.rb

		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

if File.exists?(File.expand_path('../application.yml', __FILE__))
    config.settings = YAML.load(ERB.new(File.read(File.expand_path('../application.yml', __FILE__))).result)[Rails.env].symbolize_keys
end