apiVersion: cert-manager.io/v1
kind: ClusterIssuer
metadata:
  name: letsencrypt-issuer
spec:
  acme:
    # Let's Encrypt will use this to contact you about expiring
    # certificates, and issues related to your account.
    email: tidb-service@pingcap.com
    server: https://acme-v02.api.letsencrypt.org/directory
    privateKeySecretRef:
      # Secret resource that will be used to store the account's private key.
      name: letsencrypt-issuer-account-key
    # Add a single challenge solver, HTTP01 using kong gateway
    solvers:
    - dns01:
        webhook:
          groupName: acme.pingcap.com
          solverName: alidns
          config:
            region: cn-hongkong