I guess I'm not entirely understanding how the scenarios you bring up to myself and others aren't sufficiently solved in the current Dockerfile implementation, along with other command-line tools that I can use immediately or retrieve trivially. A 'framework' for bash + docker feels a bit anti-pattern-y/or at least the benefits just aren't obvious for the way my team uses Docker presently.

That said, if what you've put together has solved problems for your team, maybe it will for others, so don't let my incredulity spoil anyone else's curiosity who reads these comments later.