chore: GitHub Actions 기반 EC2 자동 배포

Author: leesanghuu

.github/workflows/deploy.yml

@@ -0,0 +1,71 @@
+name: Deploy to EC2
+
+on:
+  push:
+    branches:
+      - main
+      - chore/#4
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1) 코드 가져오기
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # 2) JDK 설정
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+          cache: gradle
+
+      # 3) Gradle 빌드
+      - name: Build with Gradle
+        run: chmod +x ./gradlew && ./gradlew clean bootjar
+
+      # 5) JAR를 EC2로 복사
+      - name: Copy jar to EC2
+        uses: appleboy/scp-action@v0.1.7
+        with:
+          host: ${{ secrets.EC2_HOST }}
+          username: ${{ secrets.EC2_USER }}
+          key: ${{ secrets.EC2_SSH_KEY }}
+          source: "build/libs/*.jar"
+          target: "/home/ubuntu/app"
+          overwrite: true
+
+      # 6) EC2에서 앱 재시작
+      - name: Restart Spring Boot app on EC2
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: ${{ secrets.EC2_HOST }}
+          username: ${{ secrets.EC2_USER }}
+          key: ${{ secrets.EC2_SSH_KEY }}
+          script: |
+            echo "Stopping existing application if running..."
+            if pgrep -f "java -jar"; then
+              pkill -f "java -jar"
+              sleep 5
+            fi
+            
+            echo "Finding latest JAR..."
+            JAR_PATH=$(ls -t /home/ubuntu/app/*.jar | head -n 1)
+            echo "Using JAR: $JAR_PATH"
+            
+            echo "Export DB environment variable..."
+            export DB_PASSWORD='${{ secrets.DB_PASSWORD }}'
+
+            echo "Starting application..."
+            nohup java -jar "$JAR_PATH" \
+              > /home/ubuntu/app/app.log 2>&1 &
+
+            sleep 3
+            if pgrep -f "java -jar"; then
+              echo "Application started successfully."
+            else
+              echo "Application failed to start."
+              exit 1
+            fi

build.gradle

@@ -10,7 +10,7 @@ description = 'Demo project for Spring Boot'
 
 java {
 	toolchain {
-		languageVersion = JavaLanguageVersion.of(25)
+		languageVersion = JavaLanguageVersion.of(21)
 	}
 }