diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
new file mode 100644
index 0000000..ddc1836
--- /dev/null
+++ b/.gitea/workflows/build.yml
@@ -0,0 +1,42 @@
+name: Build
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: php:8.2-cli-alpine
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install zip
+        run: apk add --no-cache zip
+
+      - name: PHP syntax check
+        run: |
+          find . -name "*.php" -not -path "./.git/*" -print0 \
+            | xargs -0 -n1 php -l
+
+      - name: Build ZIP
+        run: |
+          MODULE=simple_withdrawalbutton
+          mkdir -p dist/$MODULE
+          cp -rp . dist/$MODULE
+          rm -rf dist/$MODULE/.git \
+                 dist/$MODULE/.gitea \
+                 dist/$MODULE/dist \
+                 dist/$MODULE/CLAUDE.md
+          cd dist
+          zip -r ${MODULE}.zip $MODULE/
+          echo "Built dist/${MODULE}.zip"
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: simple_withdrawalbutton
+          path: dist/simple_withdrawalbutton.zip
+          if-no-files-found: error