check process rails with pidfile /srv/http/tmp/puma.pid
  start program = "/usr/bin/entrypoint rails" as uid app
  stop program = "/bin/sh -c 'cat /srv/http/tmp/puma.pid | xargs kill'"

check process static with pidfile /tmp/darkhttpd.pid
  start program = "/usr/bin/entrypoint darkhttpd"
  stop program = "/bin/sh -c 'cat /tmp/darkhttpd.pid | xargs kill'"