diff --git a/.gitea/workflows/publish-docker.yml b/.gitea/workflows/publish-docker.yml
new file mode 100644
index 0000000..92ae690
--- /dev/null
+++ b/.gitea/workflows/publish-docker.yml
@@ -0,0 +1,42 @@
+---
+name: Build and Publish Docker Image
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to Gitea Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.br0tkasten.de
+          # Gitea provides these variables automatically
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: git.br0tkasten.de/${{ gitea.repository }}
+          tags: |
+            type=ref,event=branch
+            type=semver,pattern={{version}}
+            type=sha
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2d2ecd6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.git/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..860287f
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,2 @@
+FROM ubuntu:18.04
+RUN echo 'Hello, World!'