diff --git a/.github/actions/automatic-releases/action.yml b/.github/actions/automatic-releases/action.yml
new file mode 100644
index 00000000..96c2afe8
--- /dev/null
+++ b/.github/actions/automatic-releases/action.yml
@@ -0,0 +1,20 @@
+# Definition of the github action
+# as per https://docs.github.com/en/actions/creating-actions/creating-a-docker-container-action
+
+name: 'laminas/automatic-releases'
+description: 'Automates automatic releases for semver-compliant repositories'
+
+inputs:
+  command-name:
+    description: |
+      Command to execute: one of
+       * `laminas:automatic-releases:release`
+       * `laminas:automatic-releases:create-merge-up-pull-request`
+       * `laminas:automatic-releases:switch-default-branch-to-next-minor`
+    required: true
+
+runs:
+  using: 'docker'
+  image: '../../../Dockerfile'
+  args:
+    - ${{ inputs.command-name }}
diff --git a/.github/workflows/automatic-release.yml b/.github/workflows/automatic-release.yml
index ad413043..6ef506cf 100644
--- a/.github/workflows/automatic-release.yml
+++ b/.github/workflows/automatic-release.yml
@@ -17,7 +17,7 @@ jobs:
         uses: "actions/checkout@v2"
 
       - name: "Release"
-        uses: "./"
+        uses: "./.github/actions/automatic-releases/"
         with:
           command-name: "laminas:automatic-releases:release"
         env:
@@ -27,7 +27,7 @@ jobs:
           "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
 
       - name: "Create Merge-Up Pull Request"
-        uses: "./"
+        uses: "./.github/actions/automatic-releases/"
         with:
           command-name: "laminas:automatic-releases:create-merge-up-pull-request"
         env:
@@ -37,7 +37,7 @@ jobs:
           "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
 
       - name: "Create and/or Switch to new Release Branch"
-        uses: "./"
+        uses: "./.github/actions/automatic-releases/"
         with:
           command-name: "laminas:automatic-releases:switch-default-branch-to-next-minor"
         env:
@@ -47,7 +47,7 @@ jobs:
           "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
 
       - name: "Bump Changelog Version On Originating Release Branch"
-        uses: "./"
+        uses: "./.github/actions/automatic-releases/"
         with:
           command-name: "laminas:automatic-releases:bump-changelog"
         env:
@@ -57,7 +57,7 @@ jobs:
           "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
 
       - name: "Create new milestones"
-        uses: "./"
+        uses: "./.github/actions/automatic-releases/"
         with:
           command-name: "laminas:automatic-releases:create-milestones"
         env:
diff --git a/.github/workflows/build-and-push-containers.yml b/.github/workflows/build-and-push-containers.yml
new file mode 100644
index 00000000..60561d0e
--- /dev/null
+++ b/.github/workflows/build-and-push-containers.yml
@@ -0,0 +1,44 @@
+name: Build and push containers
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  release-container:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Compile tag list
+        id: tags
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          PREFIX=ghcr.io/laminas/automatic-releases
+          MAJOR="${PREFIX}:$(echo ${TAG} | cut -d. -f1)"
+          MINOR="${MAJOR}.$(echo ${TAG} | cut -d. -f2)"
+          PATCH="${PREFIX}:${TAG}"
+          echo "::set-output name=tags::[\"${MAJOR}\",\"${MINOR}\",\"${PATCH}\"]"
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.AUTOMATIC_RELEASES_CONTAINER_USERNAME }}
+          password: ${{ secrets.AUTOMATIC_RELEASES_CONTAINER_PAT }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: ${{ join(fromJSON(steps.tags.outputs.tags), ",") }}
diff --git a/action.yml b/action.yml
index eb23a714..391291f6 100644
--- a/action.yml
+++ b/action.yml
@@ -15,6 +15,6 @@ inputs:
 
 runs:
   using: 'docker'
-  image: 'Dockerfile'
+  image: 'docker://ghcr.io/laminas/automatic-releases:1'
   args:
     - ${{ inputs.command-name }}