message: Add `npm install` step
diff: @@ -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:
  ```
  