[docs] Improve Gitpod Self-Hosted documentation entrypoint

Author: jankeromnes

src/docs/self-hosted/0.4.0/self-hosted.md

@@ -5,14 +5,25 @@ url: /docs/self-hosted/0.4.0/self-hosted/
 
 # Gitpod Self-Hosted
 
-Gitpod, just as you know it from [gitpod.io](https://gitpod.io), can be installed and operated on your own infrastructure.
-This infrastructure may be a cloud provider or self-managed Kubernetes. It may be on the public internet, behind a corporate firewall, or on a network without internet access.
+Gitpod, just as you know it from [gitpod.io](https://gitpod.io), can be deployed and operated on your own infrastructure. It supports different cloud providers, self-managed Kubernetes clusters, corporate firewalls, and even off-grid / air-gapped networks.
 
-  > Gitpod self-hosted is free for up to three users.
-  > For more users, please obtain a [free trial license](https://gitpod.io/selfhosted-trial/).
 
 ## Installation
 
-Gitpod can be installed in the following environments:
-* [Vanilla Kubernetes](../install/install-on-kubernetes/): All you need is a domain and a Kubernetes cluster.
-* [Google Cloud Platform](../install/install-on-gcp-script/): Install Gitpod optimised for Google Cloud Platform.
+You can find all configuration templates and installation scripts in this repository:
+
+  > https://github.com/gitpod-io/self-hosted/
+
+### Install on Google Cloud Platform
+
+The easiest way to install Gitpod Self-Hosted is currently on Google Cloud Platform (that's also where [gitpod.io](https://gitpod.io) is deployed). GCP is the recommended platform for most users:
+
+* [Install Gitpod on Google Cloud Platform](../install/install-on-gcp-script/)
+
+### Install on any Kubernetes cluster
+
+If you manage your own Kubernetes cluster, please follow this guide:
+
+* [Install Gitpod on self-managed Kubernetes](../install/install-on-kubernetes/)
+
+Note: Dedicated installation steps for AWS, Azure, and OpenShift are coming soon.