This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/staging/charts/rancher/elemental-operator-chart:1.8.1
  docker pull registry.opensuse.org/home/dcassany/staging/charts/rancher/elemental-operator-chart:1.8.1-5.2

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.