diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 00000000..96520ad4
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,45 @@
+name: ci
+
+permissions:
+  contents: read
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - "apps/web/**"
+      - "apps/docs/**"
+      - "packages/**"
+      - ".github/workflows/**"
+
+concurrency:
+  group: pr-ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 10.11.0
+
+      - name: setup node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: pnpm
+
+      - name: install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: lint
+        run: pnpm run lint
+
+      - name: build
+        run: pnpm run build