This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/fix_chart/charts/rancher/elemental-operator-chart:1.7.1
  docker pull registry.opensuse.org/home/dcassany/fix_chart/charts/rancher/elemental-operator-chart:1.7.1-3.1
  docker pull registry.opensuse.org/home/dcassany/fix_chart/charts/rancher/elemental-operator-chart:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.