Update service.yml

kubernetes/frontend/templates/service.yml

+apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    app: frontend
+  name: frontend
+spec:
+  ports:
+  - name: 3000-3000
+    nodePort: 30000
+    port: 3000
+    protocol: TCP
+    targetPort: 3000
+  selector:
+    app: frontend
+  type: NodePort
+status:
+  loadBalancer: {}