🔧 Blue-Green 배포를 위한 deploy script 수정

.github/workflows/deploy-external-api.yml

@@ -74,4 +74,52 @@ jobs:
             docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
             docker system prune -a -f
             docker pull pennyway/pennyway-was
-            docker-compose up -d
+
+            # 현재 활성 포트 확인
+            CURRENT_PORT=$(docker-compose ps | grep "was" | grep -oP "0.0.0.0:\K\d+")
+
+            if [ "$CURRENT_PORT" == "8080" ]; then
+              NEW_PORT="8081"
+            else
+              NEW_PORT="8080"
+            fi
+
+            # docker-compose.yml 파일 업데이트
+            sed -i "s/WAS_PORT=.*/WAS_PORT=$NEW_PORT/" .env
+            sed -i "s/WAS_VERSION=.*/WAS_VERSION=${{ steps.get_version.outputs.VERSION }}/" .env
+
+            # 새 버전 배포
+            docker-compose up -d was
+
+            # 새 버전 헬스 체크
+            for i in {1..30}; do
+              if curl -s http://localhost:$NEW_PORT/health | grep -q "UP"; then
+                echo "New version is healthy"
+
+                # 이전 버전 종료
+                if [ -n "$CURRENT_PORT" ]; then
+                  docker-compose stop was
+                  docker-compose rm -f was
+                fi
+
+                echo "Deployment successful"
+                exit 0
+              fi
+              sleep 10
+            done
+
+            echo "New version failed health check. Rolling back."
+            docker-compose stop was
+            docker-compose rm -f was
+            sed -i "s/WAS_PORT=.*/WAS_PORT=$CURRENT_PORT/" .env
+            sed -i "s/WAS_VERSION=.*/$CURRENT_VERSION/" .env
+            docker-compose up -d was
+            exit 1
+
+      # 8. 배포 결과 확인
+      - name: Check deployment result
+        if: failure()
+        run: |
+          echo "Deployment failed. Please check the logs and take necessary actions."
+          exit 1
+