diff --git a/.github/workflows/firebasedeploy.yml b/.github/workflows/firebasedeploy.yml
new file mode 100644
index 0000000..788605b
--- /dev/null
+++ b/.github/workflows/firebasedeploy.yml
@@ -0,0 +1,45 @@
+name: Deploy MainWeb to Firebase Hosting
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+  pull-requests: write
+  checks: write
+
+jobs:
+  build_and_deploy:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: sites/mainweb
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build
+        run: pnpm build
+
+      - name: Deploy to Firebase Hosting
+        uses: FirebaseExtended/action-hosting-deploy@v0
+        with:
+          repoToken: ${{ secrets.GITHUB_TOKEN }}
+          firebaseServiceAccount: ${{ secrets.FIREBASE_SERVICE_ACCOUNT_DSGT }}
+          projectId: dsgt-website
+          channelId: ${{ github.event_name == 'pull_request' && format('pr-{0}', github.event.pull_request.number) || 'live' }}
+          entryPoint: sites/mainweb