apiVersion: cert-manager.io/v1 kind: ClusterIssuer metadata: name: letsencrypt-prod spec: acme: server: https://acme-v02.api.letsencrypt.org/directory email: admin@stabify.de privateKeySecretRef: name: letsencrypt-prod solvers: - dns01: cloudflare: email: admin@stabify.de apiTokenSecretRef: name: cloudflare-api-token-secret key: api-token selector: dnsZones: - "stabify.de"