This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factorynmctest/charts/endpoint-copier-operator:999.0.0_up0.2.1
  docker pull registry.opensuse.org/home/nbelouin/factorynmctest/charts/endpoint-copier-operator:999.0.0_up0.2.1-1.8

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.