重构：模块化项目结构，分离配置、路由、摄像头管理器，添加健康检查，更新Dockerfile和启动脚本

app/routes/main.py

@@ -0,0 +1,53 @@
+"""
+主路由
+"""
+import logging
+from datetime import datetime
+from flask import render_template, jsonify, request
+from app.camera_manager import CameraManager
+
+logger = logging.getLogger(__name__)
+
+# 创建摄像头管理器实例（全局）
+camera_manager = CameraManager()
+
+def register_main_routes(app):
+    """注册主路由到Flask应用"""
+    
+    @app.route('/')
+    def index():
+        """主页面 - 显示6个摄像头的网格布局"""
+        cameras = camera_manager.get_all_cameras()
+        return render_template('index.html',
+                             cameras=cameras,
+                             current_time=datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
+    
+    @app.route('/api/cameras')
+    def get_cameras():
+        """获取摄像头列表API"""
+        cameras = camera_manager.get_all_cameras()
+        return jsonify(cameras)
+    
+    @app.route('/api/refresh/<int:camera_id>', methods=['POST'])
+    def refresh_camera(camera_id):
+        """刷新指定摄像头"""
+        success = camera_manager.refresh_camera(camera_id)
+        return jsonify({'success': success, 'camera_id': camera_id})
+    
+    @app.route('/api/switch', methods=['POST'])
+    def switch_camera():
+        """切换摄像头编号"""
+        data = request.get_json()
+        camera_id = data.get('camera_id')
+        camera_number = data.get('camera_number', 'mixed')
+        try:
+            url = camera_manager.get_camera_url(camera_id, camera_number)
+            return jsonify({'success': True, 'url': url})
+        except Exception as e:
+            return jsonify({'success': False, 'error': str(e)}), 400
+    
+    @app.route('/api/login', methods=['POST'])
+    def login():
+        """手动登录"""
+        success = camera_manager.login()
+        return jsonify({'success': success})