Based on: https://docs.zephyrproject.org/2.4.0/getting_started/index.html https://docs.zephyrproject.org/2.4.0/getting_started/installation_linux.html#install-requirements-and-dependencies
Lightweight Docker images for ZMK.
arm
For building ZMK firmware with CI.
apt-get
pip3
For developing ZMK (firmware and documentation).