Note: Replace 192.168.0.5
below by your own interface ip
mac $ socat TCP-LISTEN:6000,reuseaddr,fork UNIX-CLIENT:\"$DISPLAY\"
mac $ docker run --device=/dev/tty0 -e DISPLAY=192.168.0.5:0 -i -t ubuntu /bin/bash
ubuntu $ apt-get update && apt-get install -y firefox
ubuntu $ firefox