docker run -d -p :5901 steer629/python-dev-me
The default password should be changed. To do so start up a container and then run docker exec bash -c "echo -e '\n\nn' | vncpasswd".
For automatically mapping a VNC port use docker run -dP kaixhin/vnc and docker port to retrieve the port. For specifying the port manually use docker run -d -p :5901 kaixhin/vnc. The shell can be entered as usual using docker run -it kaixhin/vnc bash