code: def serve(project, port, no_watch):
      
  
      header("Serving application in development mode ... ")
      print("- Project: %s " % project)
      print("")
      print("- Port: %s" % port)
      print("")
  
      module = import_module(project, True)
  
      extra_files = []
      if not no_watch:
          extra_dirs = [CWD,]
          extra_files = extra_dirs[:]
          for extra_dir in extra_dirs:
              for dirname, dirs, files in os.walk(extra_dir):
                  for filename in files:
                      filename = os.path.join(dirname, filename)
                      if os.path.isfile(filename):
                          extra_files.append(filename)
  
      module.app.run(debug=True,
                     host='0.0.0.0',
                     port=port,
                     extra_files=extra_files)
docs: Serve application in development mode