values.yaml step and small edits

docs/install/rancher.md

@@ -61,7 +61,7 @@ You can deploy Coder on Rancher as a
    postgres://coder:coder@coder-db-postgresql.coder.svc.cluster.local:5432/coder?sslmode=disable
    ```
 
-   You can optionally use the
+   Optionally, you can use the
    [Postgres operator](https://github.com/zalando/postgres-operator) to manage
    PostgreSQL deployments on your Kubernetes cluster.
 
@@ -79,21 +79,93 @@ You can deploy Coder on Rancher as a
 
 1. Select the target workload K8s cluster for Coder in the Rancher Manager console and access the Kubectl shell.
 
-1. From the Cluster Manager console, go to **Apps** > **Charts** and select **Partners**.
+1. From the **Cluster Manager** console, go to **Apps** > **Charts**
 
-1. From the Chart providers, search for Coder.
+1. Select **Partners** from the drop-down menu and search for `Coder`.
 
 1. Select **Coder**, then **Install**.
 
 1. Select the target namespace you created for Coder and select **Customize Helm options before install**, then **Next**.
 
-1. Configure Values used by Helm that help define the Coder App. Review step 4 from the standard Kubernetes installation for suggested values, then Next.
+1. Configure Values used by Helm that help define the Coder App.
 
-1. Accept the defaults on the last pane and select Install.
+   Select **Edit YAML** and enter configuration settings for your deployment.
+
+   <details><summary>Expand for an example `values.yaml`</summary>
+
+   <!-- from kubernetes.md -->
+
+   ```yaml
+   coder:
+     # You can specify any environment variables you'd like to pass to Coder
+     # here. Coder consumes environment variables listed in
+     # `coder server --help`, and these environment variables are also passed
+     # to the workspace provisioner (so you can consume them in your Terraform
+     # templates for auth keys etc.).
+     #
+     # Please keep in mind that you should not set `CODER_HTTP_ADDRESS`,
+     # `CODER_TLS_ENABLE`, `CODER_TLS_CERT_FILE` or `CODER_TLS_KEY_FILE` as
+     # they are already set by the Helm chart and will cause conflicts.
+     env:
+       - name: CODER_PG_CONNECTION_URL
+         valueFrom:
+           secretKeyRef:
+             # You'll need to create a secret called coder-db-url with your
+             # Postgres connection URL like:
+             # postgres://coder:password@postgres:5432/coder?sslmode=disable
+             name: coder-db-url
+             key: url
+
+       # (Optional) For production deployments the access URL should be set.
+       # If you're just trying Coder, access the dashboard via the service IP.
+       # - name: CODER_ACCESS_URL
+       #   value: "https://coder.example.com"
+
+     #tls:
+     #  secretNames:
+     #    - my-tls-secret-name
+   ```
+
+   > You can view our
+   > [Helm README](https://github.com/coder/coder/blob/main/helm#readme) for
+   > details on the values that are available, or you can view the
+   > [values.yaml](https://github.com/coder/coder/blob/main/helm/coder/values.yaml)
+   > file directly.
+
+   We support two release channels: mainline and stable - read the
+   [Releases](./releases.md) page to learn more about which best suits your team.
+
+   - **Mainline** Coder release:
+
+     <!-- autoversion(mainline): "--version [version]" -->
+
+     ```shell
+     helm install coder coder-v2/coder \
+         --namespace coder \
+         --values values.yaml \
+         --version 2.19.0
+     ```
+
+   - **Stable** Coder release:
+
+     <!-- autoversion(stable): "--version [version]" -->
+
+     ```shell
+     helm install coder coder-v2/coder \
+         --namespace coder \
+         --values values.yaml \
+         --version 2.18.5
+     ```
+
+   </details>
+
+   Select **Next** when you're done.
+
+1. On the **Supply additional deployment options** screen, accept the default settings, then select **Install**.
 
    A Helm install output shell will be displayed and should indicate success when completed.
 
-1. To update a Coder deployment, select Coder from the Installed Apps and update as desired.
+In the future, if you need to update a Coder deployment, select Coder from **Installed Apps** and use the options in the **⋮** menu.
 
 ## Next steps