diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
new file mode 100644
index 0000000..873006a
--- /dev/null
+++ b/.github/workflows/CI.yml
@@ -0,0 +1,36 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      # 1. checkout
+      - uses: actions/checkout@v3
+
+      # 2. Java 17 설정
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      # 3. properties 설정
+      - name: Set up application.yml
+        run: |
+          mkdir -p src/main/resources
+          echo "${{ secrets.APPLICATION }}" > src/main/resources/application.yml
+
+      # 4. gradlew build
+      - name: Build with Gradle
+        uses: gradle/gradle-build-action@bd5760595778326ba7f1441bcf7e88b49de61a25 # v2.6.0
+        with:
+          arguments: build
\ No newline at end of file
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755