An example ASGI python web app using quart and hypercorn with HTTP3 support.
docker pull justdanz/quart-http3:latest
docker run -it -p 0.0.0.0:8080:80 -p 0.0.0.0:8443:443/tcp -p 0.0.0.0:8443:443/udp -t justdanz/quart-http3:latest
Visit https://127.0.0.1:8443