feat: publish helm chart to helm.coder.com (#4793)

.github/workflows/release.yaml

@@ -20,6 +20,8 @@ permissions:
   contents: write
   # Necessary to push docker images to ghcr.io.
   packages: write
+  # Necessary for GCP authentication (https://github.com/google-github-actions/setup-gcloud#usage)
+  id-token: write
 
 env:
   CODER_RELEASE: ${{ github.event.inputs.snapshot && 'false' || 'true' }}
@@ -167,6 +169,26 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Authenticate to Google Cloud
+        uses: google-github-actions/auth@v0
+        with:
+          workload_identity_provider: ${{ secrets.GCP_WORKLOAD_ID_PROVIDER }}
+          service_account: ${{ secrets.GCP_SERVICE_ACCOUNT }}
+
+      - name: Setup GCloud SDK
+        uses: 'google-github-actions/setup-gcloud@v0'
+
+      - name: Publish Helm Chart
+        run: |
+          set -euo pipefail
+          version="$(./scripts/version.sh)"
+          mkdir -p build/helm
+          cp "build/coder_helm_${version}.tgz" build/helm
+          gsutil cp gs://helm.coder.com/v2/index.yaml build/helm/index.yaml
+          helm repo index build/helm --url https://helm.coder.com/v2 --merge build/helm/index.yaml
+          gsutil -h "Cache-Control:no-cache,max-age=0" cp build/helm/coder_helm_${version}.tgz gs://helm.coder.com/v2
+          gsutil -h "Cache-Control:no-cache,max-age=0" cp build/helm/index.yaml gs://helm.coder.com/v2
+
       - name: Upload artifacts to actions (if dry-run or snapshot)
         if: ${{ github.event.inputs.dry_run || github.event.inputs.snapshot }}
         uses: actions/upload-artifact@v2

docs/install/kubernetes.md

@@ -57,11 +57,10 @@ to log in and manage templates.
    [Postgres operator](https://github.com/zalando/postgres-operator) to
    manage PostgreSQL deployments on your Kubernetes cluster.
 
-1. Download the latest `coder_helm` package from
-   [GitHub releases](https://github.com/coder/coder/releases).
+1. Add the Coder Helm repo:
 
    ```console
-   wget https://github.com/coder/coder/releases/download/<release>/coder_helm_<release>.tgz
+   helm repo add coder-v2 https://helm.coder.com/v2
    ```
 
 1. Create a secret with the database URL:
@@ -116,10 +115,10 @@ to log in and manage templates.
    > [values.yaml](https://github.com/coder/coder/blob/main/helm/values.yaml)
    > file directly.
 
-1. Run the following commands to install the chart in your cluster.
+1. Run the following command to install the chart in your cluster.
 
    ```sh
-   helm install coder ./coder_helm_x.y.z.tgz \
+   helm install coder coder-v2/coder \
        --namespace coder \
        --values values.yaml
    ```
@@ -139,12 +138,13 @@ to log in and manage templates.
 ## Upgrading Coder via Helm
 
 To upgrade Coder in the future or change values,
-you can run the following command with a new `coder_helm_x.y.z.tgz` file from GitHub releases:
+you can run the following command:
 
-```console
-$ helm upgrade coder ./coder_helm_x.y.z.tgz \
-    --namespace coder \
-    -f values.yaml
+```sh
+helm repo update
+helm upgrade coder coder-v2/coder \
+  --namespace coder \
+  -f values.yaml
 ```
 
 ## Troubleshooting