This container can be pulled via:
  docker pull registry.opensuse.org/home/dmkif/containers/whoami:latest
  docker pull registry.opensuse.org/home/dmkif/containers/whoami:v1.11.0
  docker pull registry.opensuse.org/home/dmkif/containers/whoami:v1.11.0-1.35

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.