notify slack if deploy action fails

Author: jordanstephens

.github/workflows/deploy.yml

@@ -92,4 +92,12 @@ jobs:
           user_email: 41898282+github-actions[bot]@users.noreply.github.com
           cname: docs.defang.io
 
-
+      - name: Notify Slack of Action Failures
+        uses: ravsamhq/[email protected]
+        if: ${{ always() && github.ref_name == 'main' }}
+        with:
+          status: ${{ job.status }}
+          notify_when: "failure"
+          notification_title: "{workflow} is failing"
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_NOTIFIER_WEBHOOK_URL }}