diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ab073b1
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,44 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [dev, main]
+  push:
+    branches: [dev, main]
+
+# 같은 PR에 커밋을 연달아 푸시하면 이전 실행을 취소 (러너 시간 절약)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '17'
+
+      # Gradle 의존성·빌드 캐시 자동 관리 (두 번째 실행부터 빨라짐)
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Run tests
+        run: ./gradlew test
+        # ubuntu-latest 러너는 Docker 기본 탑재 → Testcontainers E2E가 그대로 동작
+
+      # 실패 시 테스트 리포트를 아티팩트로 업로드 (Actions 탭에서 다운로드해 원인 확인)
+      - name: Upload test report
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-report
+          path: build/reports/tests/test/
+          retention-days: 7
\ No newline at end of file