ash script with the help of https://www.shellcheck.net/ and this code https://github.com/vishnubob/wait-for-it/pull/80-t maximum waiting time (default: 15 seconds)docker pull nothingctrl/busybox-wait-for-it
docker run --rm nothingctrl/busybox-wait-for-it sh /bin/wait-for-it.ash -t 300 host-name:port
docker pull nothingctrl/busybox-wait-for-it