feat: add wildcard cert

cluster/apps/kustomization.yaml

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

cluster/apps/networking/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- wildcard-certificate

cluster/apps/networking/wildcard-certificate/certificate.yaml

@@ -0,0 +1,15 @@
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: "${SECRET_DOMAIN_CERT}"
+  namespace: networking
+spec:
+  secretName: "${SECRET_DOMAIN_CERT}-tls"
+  issuerRef:
+    name: letsencrypt-production
+    kind: ClusterIssuer
+  commonName: "${SECRET_DOMAIN}"
+  dnsNames:
+  - "${SECRET_DOMAIN}"
+  - "*.${SECRET_DOMAIN}"

cluster/apps/networking/wildcard-certificate/kustomization.yaml

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