fixed variable reference

1 job for master in 1 minute and 49 seconds (queued for 12 seconds)
Status Job ID Name Coverage
  Deploy
failed #22199
development

00:01:49

 
Name Stage Failure
failed
development Deploy There is an unknown failure, please try again
Successfully tagged git.panter.ch:5001/open-source/kubernetes-deploy:1b66fa5981aa4c11ef4419be8fbbaa6a85a965b7
$ docker push "$CI_REGISTRY_IMAGE:latest" "$CI_REGISTRY_IMAGE:${CI_COMMIT_REF_NAME}" "$CI_REGISTRY_IMAGE:${CI_COMMIT_SHA}"
"docker push" requires exactly 1 argument.
See 'docker push --help'.

Usage: docker push [OPTIONS] NAME[:TAG] [flags]

Push an image or a repository to a registry
ERROR: Job failed: error executing remote command: command terminated with non-zero exit code: Error executing in Docker Container: 1