diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
new file mode 100644
index 0000000..4c9b359
--- /dev/null
+++ b/.gitea/workflows/build.yml
@@ -0,0 +1,20 @@
+name: Build & Deploy Tippspiel
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: self-hosted
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build Docker Image
+        run: |
+          docker build -t wm2026-tippspiel:latest -t wm2026-tippspiel:${{ gitea.sha }} .
+
+      - name: Restart Container
+        run: |
+          docker compose -f /tmp/tippspiel-compose.yml up -d --force-recreate 2>/dev/null || echo "Stack not yet deployed via Portainer"