This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/factory/snapshot/images/akri-onvif-discovery-handler:latest
  docker pull registry.opensuse.org/isv/suse/edge/factory/snapshot/images/akri-onvif-discovery-handler:v0.12.20
  docker pull registry.opensuse.org/isv/suse/edge/factory/snapshot/images/akri-onvif-discovery-handler:v0.12.20-4.13

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.