This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/tomcat:9
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/tomcat:9-2.11
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/tomcat:9.0-2.11
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/tomcat:9.0.91
  docker pull registry.opensuse.org/opensuse/factory/zsystems/totest/containers/opensuse/tomcat:9.0.91-2.11

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.