<a href="https://github.com/containous/traefik/releases" class="external-link" target="_blank">Download Traefik</a>, it's a single binary, you can extract the compressed file and run it directly from the terminal.

Then create a file `traefik.toml` with:

```TOML hl_lines="3"
[entryPoints]
  [entryPoints.http]
    address = ":9999"

* 🌐 Add Russian translation for `docs/async.md`. PR [#4036](https://github.com/tiangolo/fastapi/pull/4036) by [@Winand](https://github.com/Winand).
* 🌐 Add Portuguese translation for `docs/tutorial/body.md`. PR [#3960](https://github.com/tiangolo/fastapi/pull/3960) by [@leandrodesouzadev](https://github.com/leandrodesouzadev).

In your WebSocket route you can `await` for messages and send messages.

```Python hl_lines="48-52"
{!../../../docs_src/websockets/tutorial001.py!}
```

You can receive and send binary, text, and JSON data.

## Try it

If your file is named `main.py`, run your application with:

<div class="termy">

```console
$ fastapi dev main.py

  url: https://github.com/komtaki
- login: Winand
  count: 40
  avatarUrl: https://avatars.githubusercontent.com/u/53390?u=bb0e71a2fc3910a8e0ee66da67c33de40ea695f8&v=4
  url: https://github.com/Winand
- login: solomein-sv
  count: 38
  avatarUrl: https://avatars.githubusercontent.com/u/46193920?u=789927ee09cfabd752d3bd554fa6baf4850d2777&v=4