apiVersion: cert-manager.io/v1 kind: Certificate metadata: name: c4k-common-cert labels: app.kubernetes.part-of: c4k-common-app namespace: default spec: secretName: c4k-common-cert commonName: FQDN duration: 2160h # 90d renewBefore: 720h # 30d dnsNames: - FQDN issuerRef: name: staging kind: ClusterIssuer