Update README with example setup for H3/QUIC

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Tristan 2022-06-06 10:49:04 +01:00
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@ -6,9 +6,31 @@ Build scripts for HAProxy with QUIC
## Quickstart
**NOTE FOR QUIC:** docker and docker-compose require explicit UDP protocol port mapping, otherwise they assume only-TCP. See below.
```shell
docker run -it \
-v /path/to/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro \
-p "80:80" \
-p "443:443/tcp" \
-p "443:443/udp" \
registry.gitlab.com/mangadex-pub/haproxy:2.6-bullseye
```
Here's a sample configuration (requires you to figure out the certificate) to test HTTP/3.0 support. The first connection should be over HTTP/1.1 or HTTP/2, and
after a few refreshes it should be over HTTP/3.
See [Announcing HAProxy 2.6](https://www.haproxy.com/blog/announcing-haproxy-2-6/) for more info.
```haproxy
...
frontend https
bind :443 ssl crt /usr/local/etc/haproxy/cert.pem alpn h2,http/1.1
bind quic4@:443 ssl crt /usr/local/etc/haproxy/cert.pem alpn h3
http-after-response set-header alt-svc 'h3=":443"; ma=86400'
http-request return status 200 content-type text/plain lf-string "Connected via %HV"
```
## Build it