✨ feat: GitHub Actions 자동 배포 워크플로우 구현

Author: leeseojun34

.github/workflows/deploy.yml

@@ -0,0 +1,120 @@
+name: Deploy to GCP
+
+on:
+  pull_request:
+    types: [closed]
+    branches: [ main, dev ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    outputs:
+      image-digest: ${{ steps.build.outputs.digest }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Cache Gradle packages
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+        # 테스트 실행 (테스트 코드 완성 시 주석 해제)
+        # - name: Run tests
+        #   run: ./gradlew test
+
+      - name: Build with Gradle
+        run: |
+          echo "Building commit: ${{ github.sha }}"
+          echo "Building from repository: ${{ github.repository }}"
+          ./gradlew clean bootjar -Pprofile=prod
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image
+        id: build
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:latest
+            ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:${{ github.sha }}
+            ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:dev-${{ github.run_number }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Verify build completion
+        run: |
+          echo "Build completed successfully!"
+          echo "Image digest: ${{ steps.build.outputs.digest }}"
+          echo "Pushed tags:"
+          echo "  - ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:latest"
+          echo "  - ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:${{ github.sha }}"
+          echo "  - ${{ secrets.DOCKER_USERNAME }}/${{ secrets.DOCKER_IMAGE_NAME }}:dev-${{ github.run_number }}"
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Deploy to GCP Instance
+        uses: appleboy/ssh-action@v1.1.0
+        with:
+          host: ${{ secrets.GCP_HOST }}
+          username: ${{ secrets.GCP_USERNAME }}
+          key: ${{ secrets.GCP_SSH_PRIVATE_KEY }}
+          port: 22
+          script: |
+            cd $HOME/project
+            
+            sudo docker-compose down || true
+            
+            sudo docker image prune -f
+            sudo docker rmi ${{ secrets.DOCKER_USERNAME }}/ittaeok-gcp:latest || true
+            sudo docker system prune -f || true
+            
+            sudo docker pull ${{ secrets.DOCKER_USERNAME }}/ittaeok-gcp:latest --disable-content-trust
+            
+            sudo docker-compose up -d
+            
+            sudo docker-compose ps
+            
+            sleep 10
+            sudo docker-compose logs --tail=20
+            
+            echo "=== Deployed Image Info ==="
+            sudo docker images | grep ittaeok-gcp
+            
+            echo "=== Container Info ==="
+            sudo docker ps | grep ittaeok
+
+      - name: Deployment completed
+        run: |
+          echo "Deployment completed successfully"
+          echo "Deployed commit: ${{ github.sha }}"
+          echo "Repository: ${{ github.repository }}"