This is a simple flask app depending on PyBoy.
place your rom of choice in the same directory as the app, and set the ROM_NAME enviroment Variable to set the name of the rom in the rom folder.
images are published to hub.docker.com/mralext20/pyboy-networking.
use these images with somthing like docker run -it -e ROM_NAME="tetris.gb" -v $(pwd)/rom:/app/rom --net=host mralext20/pyboy-networking