# File src/ruby_supportlib/phusion_passenger/standalone/config_utils.rb, line 67
      def load_local_config_file!(app_dir, options)
        config_file = File.join(app_dir, "Passengerfile.json")
        if !File.exist?(config_file)
          config_file = File.join(app_dir, "passenger-standalone.json")
        end
        if File.exist?(config_file)
          local_options = load_config_file(config_file)
          options.merge!(local_options)
        end
      end