I got it working, worked really damn well through docker...really awesome! like he summarizes at the end:
"""
Using volumes with this stack allows me to not worry about the generator process locking up the main game server, causing crashes, leaking memory and leaving artifacts on disk. The game server runs and serves up super-fun-times. The web server just serves files from one directory and does not need to be bothered. And the generator just takes input and produces output.
Docker does all the work while each container interacts with it's own filesystem and does not know the difference. We don't have to mess with or restart the web or game servers. It's almost like dependency injection but with an entire filesystem which is really cool.
"""
Tekkit specific textures would have to be tak'd on but I've seen some mentions of people having a textures.py to get it working. The real time people tracking would by our major (arguable) loss in switching.