.. _websocket: ========= Websocket ========= You can enable web sockets if you select ``use_async`` option when creating a project. That indicates whether the project can use web sockets with Uvicorn + Gunicorn. Usage ----- JavaScript example: :: > ws = new WebSocket('ws://localhost:8000/') // or 'wss:///' in prod WebSocket {url: "ws://localhost:8000/", readyState: 0, bufferedAmount: 0, onopen: null, onerror: null, …} > ws.onmessage = event => console.log(event.data) event => console.log(event.data) > ws.send("ping") undefined pong! If you don't use Traefik, you might have to configure your reverse proxy accordingly (example with Nginx_). .. _Nginx: https://www.nginx.com/blog/websocket-nginx/