To build:
  docker build -t meshtastic/device .

To run:
  docker run --rm -p 4403:4403 meshtastic/device
or, to get a shell on the docker image:
  docker run -it meshtastic/device bash

To use python cli against it:
  meshtastic --info --host localhost

To stop:
  # run this to get id
  docker ps
  # tip: you can just use the first few characters of the id in the next command
  docker kill <id>