apiVersion: cert-manager.io/v1 kind: ClusterIssuer metadata: name: letsencrypt-prod namespace: cert-manager spec: acme: # The ACME server URL server: https://acme-v02.api.letsencrypt.org/directory # Email address used for ACME registration email: your-email@uncloud.co # Name of a secret used to store the ACME account private key privateKeySecretRef: name: letsencrypt-prod # Enable the HTTP-01 challenge provider solvers: - http01: ingress: class: nginx