diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..74aa73c
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main, develop]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        working-directory: back
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+      - name: Checkout código
+        uses: actions/checkout@v4
+
+      - name: Configurar Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+          cache-dependency-path: back/package-lock.json
+
+      - name: Instalar dependências
+        run: npm ci
+
+      - name: Verificar tipos (TypeScript)
+        run: npx tsc --noEmit
+
+      - name: Build
+        run: npm run build --if-present
+
+      # para testes futuros
+      # - name: Rodar testes
+      #   run: npm test
\ No newline at end of file