code: def serv(args):
      
      if not args.no_debug:
          tornado.autoreload.start()
  
      extra = []
  
      if sys.stdout.isatty():
          # set terminal title
          sys.stdout.write('\x1b]2;rw: {}\x07'.format(' '.join(sys.argv[2:])))
  
      if args.cfg:
          extra.append(os.path.abspath(args.cfg))
  
      listen = (int(args.port), args.address)
      ioloop = tornado.ioloop.IOLoop.instance()
      setup_app(app=args.MODULE, extra_configs=extra,
                ioloop=ioloop, listen=listen)
      ioloop.start()
docs: Serve a rueckenwind application