feat(clusterissuer-letsencrypt-cloudflare.yml): Add example fo ClusterIssuer with Cloudflare DNS challenge

Author: ondrejsika

clusterissuer-letsencrypt-cloudflare.yml

@@ -0,0 +1,24 @@
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt
+spec:
+  acme:
+    email: lets-encrypt-slu@sikamail.com
+    server: https://acme-v02.api.letsencrypt.org/directory
+    privateKeySecretRef:
+      name: letsencrypt-issuer-account-key
+    solvers:
+      - dns01:
+          cloudflare:
+            apiTokenSecretRef:
+              name: cloudflare-api-token
+              key: api-token
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: cloudflare-api-token
+  namespace: cert-manager
+stringData:
+  api-token: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX