(from "debian")
(add "check.sh" "main.sh" "/app/")
(cmd "/app/main.sh")
(healthcheck)
(healthcheck ["--interval=5s" "--timeout=3s" "--retries=3"] "CMD" "/app/check.sh --quiet")
(healthcheck "CMD")
(healthcheck "CMD" "a b")
(healthcheck ["--timeout=3s"] "CMD" "foo")
(healthcheck "CONNECT" "TCP 7000")