Migrate CI/CD workflow from DigitalOcean to Google Actions

This to Google Actions. The workflow steps for DigitalOcean were removed and replaced with steps for Google Artifact Registry. Additionally, new versions of checkout, metadata-action, and build-push-action are now in use.

.github/workflows/cicd.yml

@@ -13,59 +13,38 @@ jobs:
       tag: ${{ steps.meta.outputs.version }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
-          images: registry.digitalocean.com/governance/gol2-indexer
+          images: europe-west9-docker.pkg.dev/gol2-development/gol2-indexer/dev
           flavor: latest=false
           tags: |
             type=ref,suffix=-{{sha}},event=branch
             type=ref,suffix=-{{sha}},event=pr
 
-      - name: Login to DO Container Registry
-        uses: docker/login-action@v2
+      - uses: 'google-github-actions/auth@v2'
+        id: auth
         with:
-          registry: registry.digitalocean.com
-          username: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
-          password: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
+          token_format: access_token
+          project_id: 'gol2-development'
+          credentials_json: '${{ secrets.GOOGLE_CREDENTIALS }}'
+
+      - name: Login to GAR
+        uses: docker/login-action@v3
+        with:
+          registry: europe-west9-docker.pkg.dev
+          username: oauth2accesstoken
+          password: ${{ steps.auth.outputs.access_token }}
 
       - name: Build and push
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v5
         with:
           file: Dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           secrets: |
-            "certificate=${{ secrets.CERTIFICATE }}"
-
-  Deploy-review:
-    if: github.event_name == 'workflow_dispatch' && github.ref != 'refs/heads/main'
-    needs: Build
-    runs-on: ubuntu-latest
-    env:
-      tag: ${{ needs.Build.outputs.tag }}
-    steps:
-      - name: DigitalOcean App Platform deployment
-        uses: digitalocean/app_action@v1.1.5
-        with:
-          app_name: gol2-review
-          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
-          images: '[{"name": "gol2-indexer","image":{"registry_type": "DOCR","repository": "gol2-indexer","tag": "${{ env.tag }}"}}]'
-
-  Deploy-production:
-    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
-    needs: Build
-    runs-on: ubuntu-latest
-    env:
-      tag: ${{ needs.Build.outputs.tag }}
-    steps:
-      - name: DigitalOcean App Platform deployment
-        uses: digitalocean/app_action@v1.1.5
-        with:
-          app_name: gol2
-          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}
-          images: '[{"name": "gol2-indexer","image":{"registry_type": "DOCR","repository": "gol2-indexer","tag": "${{ env.tag }}"}}]'
+            "certificate=${{ secrets.CERTIFICATE }}"