spring JAR build 코드 추가

.github/workflows/main.yml

@@ -11,6 +11,29 @@ jobs:
     steps:
     - name: Checkout Code
       uses: actions/checkout@v3
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: 'gradle'
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x ./gradlew
+
+    - name: Build with Gradle
+      run: ./gradlew build
+
+    - name: Upload Artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: spring-app-artifacts
+        path: build/libs/*.jar
+
+    - name: Clean up Gradle Cache
+      run: ./gradlew clean
+
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v1