skydns start

post-start script
  while [ -z $(docker ps | grep skydns) ]; do
    echo "Waiting for DNS container to start"
    sleep 1
  done
  ip=$(docker inspect -f '{{ .NetworkSettings.IPAddress }}' skydns)

  until `curl --output /dev/null --silent --head --connect-timeout 3 http://$ip:8080/skydns/services/`; do
    echo "Waiting for DNS service to be ready for connections"
    sleep 3
  done
  echo "DNS Started"
end script