<<<
Executing "step_script" stage of the job script 00:00
$ echo "$DOCKER_REGISTRY_PASS"|docker login $DOCKER_REGISTRY --username $DOCKER_REGISTRY_USER --password-stdin
Error: Cannot perform an interactive login from a non TTY device
>>>

We use shell executor.
This reverts commit 1a52e0df.

Image is busybox and do not contains bash or docker.

When cache is enabled, image is not rebuild when executing on the same runner.