cluster-issuer.yaml

apiVersion: cert-manager.io/v1alpha2
kind: ClusterIssuer
metadata:
  name: letsencrypt-prod
spec:
  acme:
    email: __EMAIL__
    server: https://acme-v02.api.letsencrypt.org/directory
    privateKeySecretRef:
      name: letsencrypt-prod
    solvers:
    - http01:
        ingress:
          class: nginx
      selector: {}
    - dns01:
        clouddns:
          project: __GCP_PROJECT__
          serviceAccountSecretRef:
            name: google-cloud-dns-secret
            key: service-account.json
      selector:
        matchLabels:
          use-clouddns-solver: "true"
---
apiVersion: cert-manager.io/v1alpha2
kind: ClusterIssuer
metadata:
  name: letsencrypt-staging
spec:
  acme:
    email: __EMAIL__
    server: https://acme-staging-v02.api.letsencrypt.org/directory
    privateKeySecretRef:
      name: letsencrypt-staging
    solvers:
    - http01:
        ingress:
          class: nginx
      selector: {}
    - dns01:
        clouddns:
          project: __GCP_PROJECT__
          serviceAccountSecretRef:
            name: google-cloud-dns-secret
            key: service-account.json
      selector:
        matchLabels:
          use-clouddns-solver: "true"