usage: heat-wsgi-api-cfn [-h] [--port PORT] [--host IP] -- [passed options]

positional arguments:
  -- [passed options]  '--' is the separator of the arguments used to start the WSGI server and
                       the arguments passed to the WSGI application.

options:
  -h, --help           show this help message and exit
  --port, -p PORT      TCP port to listen on (default: 8000)
  --host, -b HOST      IP to bind the server to (default: )