Add external dns entry for tunnel ssh service

manifests/service.yaml

@@ -14,11 +14,13 @@ apiVersion: v1
 kind: Service
 metadata:
   name: tunnel-ssh
+  annotations:
+    external-dns.alpha.kubernetes.io/hostname: tunnel.svc.${domain}
 spec:
   type: LoadBalancer
   ports:
     - name: "2222"
-      port: 2222
+      port: 22
       targetPort: 2222
   selector:
     app: tunnel