add cert-manager config

system-apps/cert-manager/config/ClusterIssuers/letsencrypt-dubyatp-xyz.yaml

@@ -0,0 +1,18 @@
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt-dubyatp-xyz
+  namespace: cert-manager
+spec:
+  acme:
+    email: [email protected]
+    preferredChain: ""
+    privateKeySecretRef:
+      name: letsencrypt-dubyatp-xyz
+    server: https://acme-v02.api.letsencrypt.org/directory
+    solvers:
+    - dns01:
+        cloudflare:
+          apiTokenSecretRef:
+            key: api-token
+            name: cloudflare-api-token-secret