This container can be pulled via:
  docker pull registry.opensuse.org/home/kzhelyazkov/metallb-images/containerfile/suse/kube-rbac-proxy:latest
  docker pull registry.opensuse.org/home/kzhelyazkov/metallb-images/containerfile/suse/kube-rbac-proxy:v0.14.2
  docker pull registry.opensuse.org/home/kzhelyazkov/metallb-images/containerfile/suse/kube-rbac-proxy:v0.14.2-2.89

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.