--- apiVersion: cert-manager.io/v1 kind: Certificate metadata: name: grafana-cert namespace: monitoring spec: secretName: grafana-tls issuerRef: name: letsencrypt-production-dns kind: ClusterIssuer commonName: 'grafana.${CLUSTER_DOMAIN}' dnsNames: - 'grafana.${CLUSTER_DOMAIN}' privateKey: algorithm: ECDSA