services:
  openttd:
    build: .
    container_name: openttd-jgrpp
    restart: unless-stopped
    ports:
      - "3979:3979/tcp"
      - "3979:3979/udp"
      - "3977:3977/tcp"
    volumes:
      - ./config:/home/openttd/.local/share/openttd
    environment:
      - PUID=1000
      - PGID=1000
    # Use exec to ensure openttd receives SIGTERM directly for autosave_on_exit
    command: >
      bash -c "
      if [ -f /home/openttd/.local/share/openttd/save/autosave/exit.sav ]; then
        echo 'Found autosave/exit.sav, loading...'
        exec openttd -D -g save/autosave/exit.sav
      else
        exec openttd -D
      fi"
    stop_signal: SIGTERM
    stop_grace_period: 30s