diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
new file mode 100644
index 0000000..cc5b168
--- /dev/null
+++ b/.forgejo/workflows/build.yaml
@@ -0,0 +1,25 @@
+name: build configuration
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: nix
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build
+        run: nix-build -A site
+
+      - name: deploy
+        run: nix-shell -p awscli2 --run "aws s3 sync ./result/ s3://$BUCKET/ --delete --endpoint-url $URL"
+        env:
+          URL: https://s3.dgnum.eu/
+          BUCKET: simi.normalesup.eu
+          AWS_ACCESS_KEY_ID: {{ secrets.KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: {{ secrets.SECRET_KEY }}
+            
+
+