diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
new file mode 100644
index 0000000..b9a0725
--- /dev/null
+++ b/.gitea/workflows/build.yaml
@@ -0,0 +1,19 @@
+name: build
+on:
+  push:
+    branches: [main]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Login
+        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login gitea.czernobog.pl -u gitea --password-stdin
+      - name: Build & push (data, logic, presentation)
+        run: |
+          TAG=${GITHUB_SHA::8}
+          for SVC in data logic presentation; do
+            docker build -t gitea.czernobog.pl/gitea/astrololo-$SVC:$TAG ./services/$SVC
+            docker push  gitea.czernobog.pl/gitea/astrololo-$SVC:$TAG
+          done
+          echo "Tag: $TAG"
\ No newline at end of file