diff --git a/action.yaml b/action.yaml
new file mode 100644
index 0000000..8169481
--- /dev/null
+++ b/action.yaml
@@ -0,0 +1,34 @@
+name: "publish docker image"
+description: "Tag and push docker image to GCP artifact registry"
+
+inputs:
+  image_name:
+    required: true
+
+  image_local_tag:
+    required: false
+    default: "latest"
+
+  repository_location:
+    required: false
+    default: "europe-docker.pkg.dev/puzzle-and-play/docker"
+
+runs:
+  using: composite
+  steps:
+    - name: "publish docker image"
+
+      env:
+        IMAGE_LOCAL_NAME: "${{ inputs.image_name }}"
+        IMAGE_LOCAL_TAG: "${{ inputs.image_local_tag }}"
+        IMAGE_REMOTE_NAME: "${{ inputs.repository_location }}/${{ inputs.image_name }}"
+        IMAGE_REMOTE_TAG: "${{ github.ref_name }}-${{ github.run_number }}"
+
+      run: |
+        echo "image: $IMAGE_REMOTE_NAME:$IMAGE_REMOTE_TAG"
+
+        docker tag \
+          "$IMAGE_LOCAL_NAME:$IMAGE_LOCAL_TAG" \
+          "$IMAGE_REMOTE_NAME:$IMAGE_REMOTE_TAG"
+
+        docker push "$IMAGE_REMOTE_NAME:$IMAGE_REMOTE_TAG"