Add docs how to install Knative from release (kyma-project#2218)

* Add docs how to install Knative from release * Apply suggestions from code review Co-Authored-By: sjanota <szymon.janota@sap.com> * Update 038-inst-knative.md * link fix
aszecowka · Jan 10, 2019 · 2a748b4 · 2a748b4
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diff --git a/docs/kyma/docs/038-inst-knative.md b/docs/kyma/docs/038-inst-knative.md
@@ -5,6 +5,17 @@ type: Installation
 
 You can install Kyma with [Knative](https://cloud.google.com/knative/) and use its solutions for handling events and serverless functions.
 
+> **NOTE:** You can’t install Kyma with Knative on clusters with a pre-allocated ingress gateway IP address.
+
+> **NOTE:** Knative intagration requires Kyma 0.6 or higher.
+
+## Knative with local deployment from release
+
+When you install Kyma locally from a release, follow [this](#installation-install-kyma-locally-from-the-release-install-kyma-on-minikube) guide and run the following command after you complete step 6:
+```
+kubectl -n kyma-installer patch configmap installation-config-overrides -p '{"data": {"knative": "true"}}'
+```  
+
 ## Knative with local deployment from sources
 
 When you install Kyma locally from sources, add the `--knative` argument to the `run.sh` script. Run this command:
@@ -13,6 +24,16 @@ When you install Kyma locally from sources, add the `--knative` argument to the
 ./run.sh --knative
 ```
 
+## Knative with a GKE cluster deployment from release
+
+To install Kyma with Knative when deploying on a GKE cluster from release, follow the instructions outlined in the **Install Kyma on a GKE cluster** installation guide.
+
+To prepare the `my-kyma.yaml` configuration file that installs Kyma with Knative on a GKE cluster, run:
+
+```
+cat kyma-config-cluster.yaml | sed -e "s/__DOMAIN__/$DOMAIN/g" | sed -e "s/__TLS_CERT__/$TLS_CERT/g" | sed -e "s/global.knative:.*/global.knative: \"true\"/g" | sed -e "s/__TLS_KEY__/$TLS_KEY/g" | sed -e "s/__.*__//g"  >my-kyma.yaml
+```
+
 ## Knative with a GKE cluster deployment from sources
 
 To install Kyma with Knative when deploying on a GKE cluster from sources, follow the instructions outlined in the **Install Kyma on a GKE cluster** installation guide.