[agumonkey]

Enjoyed it, more would be welcome, only if you have more time to give of course.

ps: especially on committing and layering.

[dhrp]

Yeah. The committing and layering stuff is not the easiest to grasp. There is actually a section on the docs that does a decent job explaining these concepts but it is a bit hidden: http://docs.docker.io/en/latest/terms/