Refactor Docker setup and enhance file transfer progress handling. Updated Dockerfile for multi-stage builds, modified docker-compose.yml to include image and container name, and improved progress bar functionality in app.js for better user feedback during file transfers.

docker-compose.yml

@@ -1,7 +1,9 @@
-version: '3'
+# SFTP Manager - 拉代码后执行 run.sh / run.bat 即可运行
 services:
   sftp-manager:
     build: .
+    image: sftp-manager:latest
+    container_name: sftp-manager
     ports:
       - "48081:48081"
     volumes:
@@ -9,4 +11,4 @@ services:
       - ./logs:/app/logs
     environment:
       - SPRING_PROFILES_ACTIVE=prod
-    restart: always
+    restart: unless-stopped