��用的是 <code>route53</code>。</div></aside></div><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: certmanager.k8s.io/v1alpha1
kind: ClusterIssuer
metadata:
  name: letsencrypt-demo
  namespace: kube-system
spec:
  acme:
    # ACME 服务器地址
    server: https://acme-v02.api.letsencrypt.org/directory
    # ACME 注册的 Email 地址
    email: &lt;REDACTED&gt;
    # Secret 的名字，用于保存 ACME 账号的私钥
    privateKeySecretRef:
      name: letsencryp