This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/tomcat:9
  docker pull registry.opensuse.org/opensuse/tomcat:9-8.6
  docker pull registry.opensuse.org/opensuse/tomcat:9.0-8.6
  docker pull registry.opensuse.org/opensuse/tomcat:9.0.87-8.6

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.