diff --git a/.github/workflows/push_docker.yml b/.github/workflows/push_docker.yml
index d90fd134..66073621 100644
--- a/.github/workflows/push_docker.yml
+++ b/.github/workflows/push_docker.yml
@@ -1,8 +1,25 @@
 name: push-docker
 
 on:
-  workflow_dispatch:
   workflow_call:
+    inputs:
+      tag:
+        description: "The docker image tag"
+        required: true
+        type: string
+    secrets:
+      DOCKERHUB_USERNAME:
+        description: "The dockerhub username"
+        required: true
+      DOCKERHUB_TOKEN:
+        description: "The dockerhub token"
+        required: true
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "The docker image tag"
+        required: true
+        type: string
 
 jobs:
   build_and_push:
@@ -43,7 +60,7 @@ jobs:
         with:
           context: ./src/
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
+          tags: ${{ inputs.tag }} #${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
       - name: Docker Hub Description
         uses: peter-evans/dockerhub-description@v3
@@ -51,15 +68,5 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
           repository: andyAugustin/${{ matrix.variant }}
-          # readme-filepath: ./images/${{ matrix.variant }}/README.md
-          # short-description: See https://github.com/${{ github.repository }}/images/${{ matrix.variant }} for the source.
-      - name: run tests
-        run: |
-          echo "Install container tools"
-          curl -LO https://storage.googleapis.com/container-structure-test/latest/container-structure-test-linux-amd64 \
-            && chmod +x container-structure-test-linux-amd64 \
-            && sudo mv container-structure-test-linux-amd64 /usr/local/bin/container-structure-test
-          echo "Run tests"
-          container-structure-test test \
-            --image ghcr.io/andreasaugustin/${{ matrix.variant }}:${{ steps.meta.outputs.version }} \
-            --config src/test-config.yaml
+          readme-filepath: ./docs/DOCKER.md
+          short-description: See https://github.com/${{ github.repository }} to have a look into the source code.
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f2bd3e65..5d24a906 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,3 +31,14 @@ jobs:
       packages: write
     uses: ./.github/workflows/push_docker.yml
     secrets: inherit
+  call_release_test_docker_images:
+    if: ${{ needs.release_please.outputs.release_created }}
+    needs:
+      - call_push_docker
+      - call_release_please
+    permissions:
+      packages: read
+    uses: ./.github/workflows/release_test_docker_images.yml
+    with:
+      tag: ${{ needs.release_please.outputs.tag_name }}
+    secrets: inherit
diff --git a/.github/workflows/release_please.yml b/.github/workflows/release_please.yml
index d03b106c..afaffa6d 100644
--- a/.github/workflows/release_please.yml
+++ b/.github/workflows/release_please.yml
@@ -18,8 +18,12 @@ permissions:
 jobs:
   release_please:
     runs-on: ubuntu-latest
+    outputs:
+      release_created: ${{ steps.release_please.outputs.release_created }}
+      tag_name: ${{ steps.release_please.outputs.tag_name }}
     steps:
       - uses: google-github-actions/release-please-action@v3
+        id: release_please
         with:
           release-type: simple
           package-name: actions-template-sync
diff --git a/.github/workflows/release_test_docker_images.yml b/.github/workflows/release_test_docker_images.yml
new file mode 100644
index 00000000..69153cce
--- /dev/null
+++ b/.github/workflows/release_test_docker_images.yml
@@ -0,0 +1,63 @@
+name: release-test-docker-images
+
+on:
+  workflow_call:
+    inputs:
+      tag:
+        description: "The docker image tag"
+        required: true
+        type: string
+    secrets:
+      DOCKERHUB_USERNAME:
+        description: "The dockerhub username"
+        required: true
+      DOCKERHUB_TOKEN:
+        description: "The dockerhub token"
+        required: true
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "The docker image tag"
+        required: true
+        type: string
+
+permissions:
+  packages: read
+
+jobs:
+  test-docker-images:
+    strategy:
+      matrix:
+        docker-image:
+          - ghcr.io/andreasaugustin/actions-template-sync
+          - andyaugustin/actions-template-sync
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          lfs: true
+          fetch-depth: 0
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to GHCR
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: pull image
+        run: |
+          docker pull ${{ matrix.docker-image }}:${{ inputs.tag }}
+      - name: run tests
+        run: |
+          echo "Install container tools"
+          curl -LO https://storage.googleapis.com/container-structure-test/latest/container-structure-test-linux-amd64 \
+            && chmod +x container-structure-test-linux-amd64 \
+            && sudo mv container-structure-test-linux-amd64 /usr/local/bin/container-structure-test
+          echo "Run tests"
+          container-structure-test test \
+            --image ${{ matrix.docker-image }}:${{ inputs.tag }} \
+            --config src/test-config.yaml
diff --git a/README.md b/README.md
index 5dff9de8..7f968fa4 100644
--- a/README.md
+++ b/README.md
@@ -251,7 +251,8 @@ It can also be stored inside `.github` folder.
 
 _Note: It is not possible to sync also the `.templatesyncignore` itself. Any changes from the template repository will be restored automatically._
 
-**Remark** reading the [gitglossary][git-glossary] (_pathspec_ section) you see a slight difference to the `.gitignore` file when you like to disable files.
+**Remark** reading the [gitglossary][git-glossary] (_pathspec_ section) you see a slight difference to the `.gitignore` file
+when you like to disable files you need to use `:!`.
 E.g. when you like to disable the sync for all files with exceptions, you need to do smth like
 
 ```txt
diff --git a/docs/DOCKER.md b/docs/DOCKER.md
new file mode 100644
index 00000000..a122ec44
--- /dev/null
+++ b/docs/DOCKER.md
@@ -0,0 +1,3 @@
+# DOCKER
+
+## abstract