This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/prometheus:3
  docker pull registry.opensuse.org/opensuse/prometheus:3.3
  docker pull registry.opensuse.org/opensuse/prometheus:3.3.0
  docker pull registry.opensuse.org/opensuse/prometheus:3.3.0-30.8
  docker pull registry.opensuse.org/opensuse/prometheus:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.