wait-for-it.js

Zero dependency of the wait-for-it.sh script.

Usage:
wait-for-it host:port [-s] [-t timeout] [-- command args]

    -h=HOST | --host=HOST Host or IP under test
    -p=PORT | --port=PORT TCP port under test
Alternatively, you specify the host and port as host:port

    -s | --strict Only execute subcommand if the test succeeds
    -q | --quiet Don't output any status messages
    -t=TIMEOUT | --timeout=TIMEOUT
	    Timeout in seconds, zero for no timeout

    -z=SLEEP | --sleep=SLEEP
        Sleeping time in seconds, zero for no sleep. Defaults to 10 seconds

    -r=RETRY_COUNT | --retry=RETRY_COUNT Amount of retries before fail.
    Defaults to 10
-- COMMAND ARGS Execute command with args after the test finishes