Thanks, this is much simpler than the original post. Here's the equivalent Dockerfile + docker-compose.yaml for convenience: # Dockerfile FROM debian:

Thanks, this is much simpler than the original post. Here's the equivalent Dockerfile + docker-compose.yaml for convenience: # Dockerfile FROM debian:11-slim RUN apt-get -y update && apt-get -y install firefox-esr CMD ["firefox"] # docker-compose.yaml services: firefox: image: firefox build: . environment: DISPLAY: ${DISPLAY} network_mode: host volumes: - ${XAUTHORITY}:/root/.Xauthority - /tmp/.X11-unix:/tmp.X11-unix This way you can run it with just: docker-compose up