Add `npm install` step
MODIFY
kubernetes-ts-guestbook/README.md
kubernetes-ts-guestbook/README.md
@@ -17,6 +17,12 @@ Kubernetes [Services
docs](https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services---service-types) for more
details.
+Install dependencies:
+
+```
+$ npm install
+```
+
Create a new stack:
```

Add `npm install` step