compose/tests/fixtures/stop-signal-composefile/docker-compose.yml

simple:
  image: busybox:1.31.0-uclibc
  command:
    - sh
    - '-c'
    - |
        trap 'exit 0' SIGINT
        trap 'exit 1' SIGTERM
        while true; do :; done        
  stop_signal: SIGINT