This container is built off of the drags/docker-quake2 github repo.
To run, clone this repo int your /opt/q2 directory:
git clone https://github.com/tnielsen2/q2.git /opt/q2 && cd /opt/q2
Build the container
docker build . --tag quake2:arena
Run the container:
docker run -d --name quake2arena -p 27910:27910/udp quake2:arena