App/cert manager (#701)

* add app cert manager cluster issuer

* add app cert manager cluster issuer

infrastructures/cert-manager-clusterissuer/base/clusterissuer-cloudflare.yaml

@@ -0,0 +1,33 @@
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: clusterissuer
+  namespace: cert-manager
+spec:
+  acme:
+    email:
+      valueFrom:
+        secretKeyRef:
+          name: clusterissuer-secrets
+          key: email
+    server: https://acme-v02.api.letsencrypt.org/directory
+    privateKeySecretRef:
+      name: cluster-issuer-account-key
+    solvers:
+      - dns01:
+          cloudflare:
+            email:
+              secretKeyRef:
+                name: clusterissuer-secrets
+                key: email
+            apiTokenSecretRef:
+              name: clusterissuer-secrets
+              key: cloudflare_api_token
+        selector:
+          dnsNames:
+            - secretKeyRef:
+                name: clusterissuer-secrets
+                key: cluster_cert_domain
+            - secretKeyRef:
+                name: clusterissuer-secrets
+                key: cluster_cert_domain_wildcard

infrastructures/cert-manager-clusterissuer/base/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - clusterissuer-cloudflare.yaml