Deploying to cloud run; using google-github-actions/auth

Author: Bryan Sieber

.github/workflows/build-image.yaml

@@ -71,12 +71,10 @@ jobs:
           docker push $GCR_REGISTRY/$GCR_REPOSITORY:$IMAGE_TAG
           docker push $GCR_REGISTRY/$GCR_REPOSITORY:latest
 
-      - name: Login to gcloud
-        uses: google-github-actions/setup-gcloud@v0
+      - id: auth
+        uses: google-github-actions/auth@v0
         with:
-          project_id: ${{ secrets.GCP_PROJECT_ID }}
-          service_account_email: ${{ secrets.GCP_EMAIL }}
-          service_account_key: ${{ secrets.GCP_CREDENTIALS }}
+          credentials_json: ${{ secrets.GCP_CREDENTIALS }}
 
       - name: Deploy to Cloud Run
         run: |