diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..b628a21c
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,44 @@
+name: GoChat CI/CD Pipeline
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  backend:
+    name: Backend (SQLite)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/go.mod
+          cache-dependency-path: backend/go.sum
+      - name: Test
+        working-directory: backend
+        env:
+          GOCHAT_TEST_DB: sqlite
+        run: go test ./internal/... ./pkg/... ./cmd/...
+      - name: Build
+        working-directory: backend
+        run: go build ./...
+      - name: Vet
+        working-directory: backend
+        run: go vet ./...
+
+  frontend:
+    name: Frontend Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: corepack enable
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm --dir frontend build