Publish test image (#1179)

* add annotation in best practice policy require-pod-probes

* migrate repo

* push image on PR

* add docker login in CI

* publish image once PR is merged

* update order

.github/workflows/build.yaml

@@ -23,7 +23,7 @@ jobs:
         with:
           go-version: 1.14
 
-      - name :  docker images build
+      - name: docker images build
         run: |
           make docker-build-all
 
@@ -43,3 +43,12 @@ jobs:
           ${GITHUB_WORKSPACE}/scripts/verify-deployment.sh -n kyverno  kyverno
           echo ">>> Run Kyverno e2e test"
           make test-e2e
+
+      - name: login to docker hub
+        if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
+        run: echo "${{ secrets.DOCKERIO_PASSWORD }}" | docker login -u "${{ secrets.DOCKERIO_USERNAME }}" --password-stdin
+
+      - name: docker images publish
+        if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
+        run: |
+          make docker-publish-all