Update installation documentation (#199)

* Update installation documentation

Update documentation with this change litmuschaos/litmus-helm#257.
Add more details about connecting via NodePort and ClusterIP

Signed-off-by: Jasstkn <[email protected]>

* Fix docs

Signed-off-by: Maria Kotlyarevskaya <[email protected]>

Signed-off-by: Jasstkn <[email protected]>
Signed-off-by: Maria Kotlyarevskaya <[email protected]>

Author: Jasstkn

website/docs/getting-started/installation.md

@@ -68,9 +68,11 @@ kubectl create ns litmus
 #### Step-3: Install Litmus ChaosCenter
 
 ```bash
-helm install chaos litmuschaos/litmus --namespace=litmus
+helm install chaos litmuschaos/litmus --namespace=litmus --set portal.frontend.service.type=NodePort
 ```
 
+> **Note:** If your Kubernetes cluster isn't local, you may want not to expose Litmus via `NodePort`. If so, remove `--set portal.frontend.service.type=NodePort` option. To connect to Litmus UI from your laptop, you can use `port-forward svc/chaos-litmus-frontend-service 9091:9091`. Then you can use your browser and open `127.0.0.1:9091`.
+
 <span style={{color: 'green'}}><b>Expected Output</b></span>
 
 ```

website/versioned_docs/version-2.12.0/getting-started/installation.md

@@ -68,9 +68,11 @@ kubectl create ns litmus
 #### Step-3: Install Litmus ChaosCenter
 
 ```bash
-helm install chaos litmuschaos/litmus --namespace=litmus
+helm install chaos litmuschaos/litmus --namespace=litmus --set portal.frontend.service.type=NodePort
 ```
 
+> **Note:** If your Kubernetes cluster isn't local, you may want not to expose Litmus via `NodePort`. If so, remove `--set portal.frontend.service.type=NodePort` option. To connect to Litmus UI from your laptop, you can use `port-forward svc/chaos-litmus-frontend-service 9091:9091`. Then you can use your browser and open `127.0.0.1:9091`.
+
 <span style={{color: 'green'}}><b>Expected Output</b></span>
 
 ```