diff --git a/first-app/helloworld-service.yml b/first-app/helloworld-service.yml
new file mode 100644
index 0000000..9b34666
--- /dev/null
+++ b/first-app/helloworld-service.yml
@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: helloworld-service
+spec:
+  ports:
+  - port: 80
+    targetPort: nodejs-port
+    protocol: TCP
+  selector:
+    app: helloworld
+  type: LoadBalancer
diff --git a/first-app/helloworld.yml b/first-app/helloworld.yml
index cc79f36..370222f 100644
--- a/first-app/helloworld.yml
+++ b/first-app/helloworld.yml
@@ -9,4 +9,5 @@ spec:
   - name: k8s-demo
     image: wardviaene/k8s-demo
     ports:
-    - containerPort: 3000
+    - name: nodejs-port
+      containerPort: 3000