diff --git a/.github/workflows/publish-image.yml b/.github/workflows/publish-image.yml
index 1a56a0f..d7b29a9 100644
--- a/.github/workflows/publish-image.yml
+++ b/.github/workflows/publish-image.yml
@@ -7,7 +7,7 @@ jobs:
   build_and_publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Login to GHCR.io
         run: echo "${{ secrets.GHCR_PAT }}" | docker login --username ${{ secrets.GHCR_USER }} --password-stdin ghcr.io
       - name: Build and tag image
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..fa8d9c4
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,9 @@
+# syntax=docker/dockerfile:1
+FROM python:3.12-alpine
+RUN mkdir -p /opt/netbox-zabbix
+COPY . /opt/netbox-zabbix
+WORKDIR /opt/netbox-zabbix
+RUN if ! [ -f ./config.py ]; then cp ./config.py.example ./config.py; fi
+RUN pip install -r ./requirements.txt
+ENTRYPOINT ["python"]
+CMD ["/opt/netbox-zabbix/netbox_zabbix_sync.py", "-v"]