validate_secret_key_config!

# File railties/lib/rails/application.rb, line 528
    def validate_secret_key_config! #:nodoc:
      if secrets.secret_key_base.blank?
        ActiveSupport::Deprecation.warn "You didn't set `secret_key_base`. " +
          "Read the upgrade documentation to learn more about this new config option."

        if secrets.secret_token.blank?
          raise "Missing `secret_token` and `secret_key_base` for '#{Rails.env}' environment, set these values in `config/secrets.yml`"
        end
      end
    end