finish readme and use api rule

Author: dbadura

README.md

@@ -178,23 +178,23 @@ For the information on how to run tests and configure them, go to the [`tests`](
    docker run --rm -it -p 3001:3001 -v <path to your custom config>:/app/core-ui/environments/ --env ENVIRONMENT={your-env} --pid=host --name busola europe-docker.pkg.dev/kyma-project/prod/busola:latest
    ```
 
-## Deploy busola in Kubernetes Cluster
+## Deploy Busola in Kubernetes Cluster
 
-To install busola on k8s cluster run:
+To install Busola on k8s cluster run:
 
 ```shell
 (cd resources && kustomize build base/ | kubectl apply -f- )
 ```
 
-To install busola using specific environment configuration, set `ENVIRONMENT` environment variable and run:
+To install Busola using specific environment configuration, set `ENVIRONMENT` environment variable and run:
 
 ```shell
 (cd resources && kustomize build environments/${ENVIRONMENT} | kubectl apply -f- )
 ```
 
-### Access busola installed on Kubernetes
+### Access Busola installed on Kubernetes
 
-You can access busola installed on Kubernetes in several ways, depends on how it's installed:
+You can access Busola installed on Kubernetes in several ways, depends on how it's installed:
 
 ### Port-forward
 
@@ -206,6 +206,10 @@ kubectl port-forward services/busola 3001:3001
 
 ### K3d
 
+Prerequisites:
+
+- K3d with installed Traefik, by default it's installed.
+
 Install ingress resources by running:
 
 ```shell
@@ -214,14 +218,39 @@ Install ingress resources by running:
 
 Then go to `localhost`
 
+#### Connect to the k3d cluster where Busola is installed.
+
+To be able to connect to the same K3d cluster where Busola is installed download kubeconfig and change cluster server address to `https://kubernetes.default.svc:443`.
+
+Using shell:
+Prepare name of your cluster and set `K3D_CLUSTER_NAME` shell environment variable with the name of the cluster then run:
+
+```shell
+k3d kubeconfig get ${K3D_CLUSTER_NAME} > k3d-kubeconfig.yaml
+yq --inplace '.clusters[].cluster.server = "https://kubernetes.default.svc:443"' k3d-kubeconfig.yaml
+```
+
 ### Istio
 
-To install Istio needed resources, prepare `DOMAIN`and run:
+Prerequisites:
+
+- Sidecar Proxy injection enabled, see [Kyma Docs](https://kyma-project.io/#/istio/user/tutorials/01-40-enable-sidecar-injection?id=enable-istio-sidecar-proxy-injection), how to enable it.
+- Api gateway module installed, see [Install docs](https://kyma-project.io/#/02-get-started/01-quick-install)
+
+Install Istio needed resources by running:
 
 ```shell
-(cd resources && ./apply-resources-istio.sh ${YOUR_DOMAIN})
+(cd resources && kubectl apply -k istio)
 ```
 
+To get Busola address run:
+
+```shell
+kubectl get virtualservices.networking.istio.io
+```
+
+and find `busola-***` virtual service. Under `HOSTS` there is address to access Busola page.
+
 ## Troubleshooting
 
 > **TIP:** To solve most of the problems with Busola development, clear the browser cache or do a hard refresh of the website.

resources/apply-resources-istio.sh

@@ -37,6 +37,7 @@ spec:
       volumes:
         - name: config
           configMap:
+            optional: true
             name: busola-config
             items:
               - key: config

resources/apply-resources.sh

@@ -1,7 +1,7 @@
 kind: Ingress
 apiVersion: networking.k8s.io/v1
 metadata:
-  name: ingress-busola
+  name: busola
 spec:
   rules:
     - http:

resources/base/busola/deployment.yaml

@@ -0,0 +1,15 @@
+apiVersion: gateway.kyma-project.io/v2alpha1
+kind: APIRule
+metadata:
+  name: busola
+spec:
+  gateway: kyma-system/kyma-gateway
+  hosts:
+    - busola
+  service:
+    name: busola
+    port: 3001
+  rules:
+    - path: /{**}
+      methods: ['GET']
+      noAuth: true

resources/ingress/ingress.yaml

@@ -1,9 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - gateway.yaml
-  - http_route.yaml
-  # Add the destinationrule for TLS into the backend pod.
-  # This will tell the istio sidecar to use TLS to connect to the backend service.
-  # For this to work, you need to enable TLS in the backend. See docs/install-kyma-dashboard-manually.md for more information.
-  # - destinationrule-busola-backend.yaml
+  - apirule.yaml