ci: add failure notifications for v3 build

Author: darora

.github/workflows/qemu-image-build.yml

@@ -144,6 +144,16 @@ jobs:
  docker tag "postgres:$IMAGE_TAG" "$REGISTRY/$REPOSITORY:$IMAGE_TAG"
  docker push "$REGISTRY/$REPOSITORY:$IMAGE_TAG"
 
+ - name: Slack Notification on Failure
+ if: ${{ failure() }}
+ uses: rtCamp/action-slack-notify@v2
+ env:
+ SLACK_WEBHOOK: ${{ secrets.SLACK_NOTIFICATIONS_WEBHOOK }}
+ SLACK_USERNAME: 'gha-failures-notifier'
+ SLACK_COLOR: 'danger'
+ SLACK_MESSAGE: 'Building Postgres QEMU artifact failed'
+ SLACK_FOOTER: ''
+b
  - name: Cleanup resources after build
  if: ${{ always() }}
  run: |