apiVersion: certmanager.k8s.io/v1alpha1 kind: Issuer metadata: name: letsencrypt-prod spec: acme: # The ACME server URL server: https://acme-v02.api.letsencrypt.org/directory # Email address used for ACME registration email: user@example.com # Name of a secret used to store the ACME account private key privateKeySecretRef: name: letsencrypt-prod # Enable the HTTP-01 challenge provider http01: {}