This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/containers/apache-tomcat:9-openjdk21
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/containers/apache-tomcat:9.0.98-openjdk21
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/containers/apache-tomcat:9.0.98-openjdk21-81.6

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.