docs: add documentation

Author: mrsimonemms

Diff for: README.md

@@ -1 +1,111 @@
-# Running Gitpod in [Azure AKS](https://azure.microsoft.com/en-gb/services/kubernetes-service/)
+# Running Gitpod in [Azure AKS](https://azure.microsoft.com/en-gb/services/kubernetes-service/)
+
+Before starting the installation process, you need:
+
+- An Azure account
+  - [Create one now by clicking here](https://azure.microsoft.com/en-gb/free/)
+- Azure [service principal](https://docs.microsoft.com/en-us/azure/active-directory/develop/howto-create-service-principal-portal). This needs to have "Owner" IAM rights on the subscription and set up with "Group Administrator" ActiveDirectory role
+  - Log into [portal.azure.com](https://portal.azure.com/) and navigate to [Azure Active Directory](https://portal.azure.com/?quickstart=True#blade/Microsoft_AAD_IAM/ActiveDirectoryMenuBlade/Overview).
+  - Select the [Roles and Administrators](https://portal.azure.com/?quickstart=True#blade/Microsoft_AAD_IAM/ActiveDirectoryMenuBlade/RolesAndAdministrators)
+  - Select the role Groups Administrator
+  - Select "Add assignments" and add your service principal
+- A `.env` file with basic details about the environment.
+  - We provide an example of such file [here](.env.example).
+- [Docker](https://docs.docker.com/engine/install/) installed on your machine, or better, a Gitpod workspace :)
+
+**To start the installation, execute:**
+
+```shell
+make install
+```
+
+The whole process takes around twenty minutes. In the end, the following resources are created:
+
+- an AKS cluster running Kubernetes v1.20.
+- Azure load balancer.
+- ~~Azure MySQL database.~~ MySQL will be provided by Helm under [#5508](https://github.com/gitpod-io/gitpod/issues/5508) solved
+- ~~Azure Blob Storage.~~ Minio will be used until [Azure storage gateway](https://github.com/gitpod-io/gitpod-azure-aks-guide/issues/1) is configured
+- Azure DNS zone.
+- Azure container registry.
+- [calico](https://docs.projectcalico.org) as CNI and NetworkPolicy implementation.
+- [cert-manager](https://cert-manager.io/) for self-signed SSL certificates.
+- [Jaeger operator](https://github.com/jaegertracing/helm-charts/tree/main/charts/jaeger-operator) - and Jaeger deployment for gitpod distributed tracing.
+- [gitpod.io](https://github.com/gitpod-io/gitpod) deployment.
+
+### Common errors running make install
+
+- Insufficient regional quota to satisfy request
+
+  Depending on the size of the configured `disks size` and `machine-type`,
+  it may be necessary to request an [increase in the service quota](https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/azure-subscription-service-limits)
+
+  *After increasing the quota, retry the installation running `make install`*
+
+## Verify the installation
+
+First, check that Gitpod components are running.
+
+```shell
+kubectl get pods 
+NAME                                 READY   STATUS    RESTARTS   AGE
+blobserve-5584456c68-t2vf6           2/2     Running   0          7m40s
+content-service-69fbcdf9fc-ngq9n     1/1     Running   0          7m39s
+dashboard-86877b7779-8rtdj           1/1     Running   0          7m40s
+image-builder-6557d4b5cf-xl9xf       3/3     Running   0          7m39s
+jaeger-5dfd44f668-8tj9x              1/1     Running   0          7m46s
+messagebus-0                         1/1     Running   0          7m40s
+minio-76f8b45fb7-brr96               1/1     Running   0          7m40s
+mysql-0                              1/1     Running   0          7m40s
+proxy-69d87469f9-fdx9l               1/1     Running   0          7m40s
+proxy-69d87469f9-qsmwg               1/1     Running   0          7m40s
+registry-facade-5xlhh                2/2     Running   0          7m39s
+registry-facade-qzmft                2/2     Running   0          7m39s
+registry-facade-vk9q4                2/2     Running   0          7m39s
+server-6bfdcbfd5b-2kwbt              2/2     Running   0          7m39s
+ws-daemon-7fqd5                      2/2     Running   0          7m39s
+ws-daemon-jl46t                      2/2     Running   0          7m39s
+ws-daemon-q9k9l                      2/2     Running   0          7m39s
+ws-manager-66f6b48c8-ts286           2/2     Running   0          7m40s
+ws-manager-bridge-5dfb558c96-kcxvr   1/1     Running   0          7m40s
+ws-proxy-979dd587b-ghjf4             1/1     Running   0          7m39s
+ws-proxy-979dd587b-mtkxt             1/1     Running   0          7m39s
+```
+
+### Test Gitpod workspaces
+
+When the provisioning and configuration of the cluster is done, the script shows the URL of the load balancer,
+like:
+
+Please open the URL `https://<domain>/workspaces`.
+It should display the Gitpod login page similar to the next image.
+
+*DNS propagation* can take several minutes.
+
+![Gitpod login page](./images/gitpod-login.png "Gitpod Login Page")
+
+----
+
+## Update Gitpod auth providers
+
+Please check the [OAuth providers integration documentation](https://www.gitpod.io/docs/self-hosted/0.5.0/install/oauth) expected format.
+
+We provide an [example here](./auth-providers-patch.yaml). Fill it with your OAuth providers data.
+
+```console
+make auth
+```
+
+> We are aware of the limitation of this approach, and we are working to improve the Helm chart to avoid this step.
+
+## Destroy the cluster and Azure resources
+
+Remove the Azure cluster running:
+
+```shell
+make uninstall
+```
+
+> The command asks for a confirmation:
+> `Are you sure you want to delete: Gitpod (y/n)?`
+
+This will destroy the Kubernetes cluster and allow you to manually delete the cloud storage.