Just a toy project to test auto deploy to heroku.
$ ./demo_server.py --help
Usage: demo_server.py [options]
Options:
-h, --help show this help message and exit
-b BIND, --bind=BIND Bind address, default 127.0.0.1, use "0.0.0.0" for all
-p PORT, --port=PORT Listen port, default is 8080
$ ./demo_server.py &
$ curl -s localhost:8080
Hello world!