Move GCS lookaside deployment to Github Actions

Moving here because the prod deployment is on Github Pages, and overall
the integration is cleaner with Actions rather than CircleCI.

.circleci/config.yml

@@ -135,18 +135,18 @@ workflows:
         name: build
         requires:
         - setup
-    - deploy-lookaside-gcs:
-        <<: *dev
-        name: deploy-lookaside-gcs
-        context:
-        - core-dev
-        requires:
-        - setup
-        - build
+    # - deploy-lookaside-gcs:
+    #     <<: *dev
+    #     name: deploy-lookaside-gcs
+    #     context:
+    #     - core-dev
+    #     requires:
+    #     - setup
+    #     - build
     - pr-comment:
         <<: *dev
         name: pr-comment
         context: core-dev
-        requires:
-        - deploy-lookaside-gcs
+        # requires:
+        # - deploy-lookaside-gcs
 

.github/workflows/lookaside.yml

@@ -0,0 +1,56 @@
+name: GCS Lookaside
+
+on:
+  push:
+    branches-ignore:
+      - main
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+      - name: Prepare npmrc
+        run: envsubst < ci.npmrc > .npmrc
+        env:
+          ARTIFACTORY_TOKEN: '${{ secrets.ARTIFACTORY_TOKEN }}'
+      - name: Install dependencies
+        uses: bahmutov/npm-install@v1
+      - name: Build project
+        run: npm run build
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          path: dist
+
+  # Deployment job
+  deploy:
+    environment:
+      name: google-cloud-storage
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          path: dist
+      - name: Add service key
+        run: echo ${{ secrets.GCLOUD_SERVICE_KEY }} > "gcloud-service-key.json"
+      - name: Deploy to Google Cloud Storage
+        id: deployment
+        run: node scripts/lookaside.mjs --keyFilename=gcloud-service-key.json --branch ${{ github.ref_name }}

scripts/lookaside.mjs

@@ -45,6 +45,7 @@ async function run() {
 
         await Promise.all(uploads);
         console.log(logSymbols.success, 'Lookaside deployed');
+        process.env.GITHUB_OUTPUT = `page_url=https://storage.googleapis.com/prism-design-system/${branch}/index.html`;
     } catch (error) {
         console.log(logSymbols.error, error);
         process.exit(1);