This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/prometheus-webhook-snmp:1.4
  docker pull registry.opensuse.org/opensuse/prometheus-webhook-snmp:1.4.2.557
  docker pull registry.opensuse.org/opensuse/prometheus-webhook-snmp:latest
  docker pull registry.opensuse.org/opensuse/prometheus-webhook-snmp:tumbleweed

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.