add source code and readme

manifests/infrastructure/cluster-issuers/cluster-issuers.yaml

@@ -0,0 +1,31 @@
+# manifests/infrastructure/cluster-issuers/cluster-issuers.yaml
+---
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt-staging
+spec:
+  acme:
+    server: https://acme-staging-v02.api.letsencrypt.org/directory
+    email: <EMAIL>
+    privateKeySecretRef:
+      name: letsencrypt-staging
+    solvers:
+    - http01:
+        ingress:
+          class: nginx
+---
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt-production
+spec:
+  acme:
+    server: https://acme-v02.api.letsencrypt.org/directory
+    email: <EMAIL>
+    privateKeySecretRef:
+      name: letsencrypt-production
+    solvers:
+    - http01:
+        ingress:
+          class: nginx