sassmann/ubuntu-steam repository overview

For audio and video (including 3D) support try building a container with:

docker run -ti -e DISPLAY=$DISPLAY
-v /tmp/.X11-unix:/tmp/.X11-unix
--device /dev/dri/card0
-v /run/user/$UID/pulse/native:/tmp/pulse
-v /dev/shm:/dev/shm
-v /etc/machine-id:/etc/machine-id
docker.io/sassmann/ubuntu-steam

Finally sound via pulseaudio! Tested on Fedora.