SH entrypoint for docker-compose to manage dependency startup.

gistfile1.txt

#!/usr/bin/env sh

# Wait for a HTTP service to be OK (return code 200) before trying to start another service.
echo "Stalling for SERVICE"
while true; do
    status=$(curl --write-out %{http_code} --silent --output /dev/null http://service.domain/endpoint)
    echo "Status: ${status}"
    if [ "${status}" == "200" ]; then
      break
    else
      echo "SERVICE is not yet available. Waiting..."
      sleep 10
    fi
done

echo "Starting OTHER_SERVICE"
// Start your other service here