- Install screen/procps and run in detached session
- Monitor PID and trap signals for clean exit
- Suppress stderr/stdout when running usermod
- Clean up Dockerfile
- Create multi-stage Dockerfile for libtorrent/rtorrent compilation
- Set up runtime image with binaries, config, and entrypoint script
- Implement Makefile and docker-compose for build/cleanup processes
- Entrypoint script for user creation and config setup