Hızlı yanıt: kod örneği
It is an environment var on your pc or remote server, try to type :the docker entry means "If variable DOCKER_REGISTRY is not set or null, use default", then it is prepended to your project name.See https://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_02 for parameters expansion
$ echo $DOCKER_REGISTRY