Update server.js

server.js

@@ -1,70 +1,69 @@
-const express = require('express');
-const dotenv = require('dotenv');
-const cors = require('cors');
-const morgan = require('morgan');
-const { connectDB } = require('./config/db');
-const { errorHandler } = require('./middleware/errorHandler');
-const routes = require('./routes');
-const logger = require('./utils/logger');
-
-// 加载环境变量
-dotenv.config();
-
-// 验证关键环境变量
-const requiredEnvVars = ['MONGODB_URI', 'JWT_SECRET', 'ADMIN_USERNAME', 'ADMIN_PASSWORD'];
-const missingEnvVars = requiredEnvVars.filter(envVar => !process.env[envVar]);
-
-if (missingEnvVars.length > 0) {
-  logger.error(`缺少必要的环境变量: ${missingEnvVars.join(', ')}`);
-  process.exit(1);
-}
-
-logger.info('环境变量加载成功');
-logger.info(`NODE_ENV: ${process.env.NODE_ENV}`);
-logger.info(`ADMIN_USERNAME: ${process.env.ADMIN_USERNAME}`);
-logger.info(`JWT_SECRET: ${process.env.JWT_SECRET ? '已设置' : '未设置'}`);
-
-// 初始化 Express 应用
-const app = express();
-
-// 中间件
-app.use(cors());
-app.use(express.json());
-app.use(express.urlencoded({ extended: true }));
-
-// 日志中间件
-if (process.env.NODE_ENV === 'development') {
-  app.use(morgan('dev'));
-}
-
-// 连接数据库
-connectDB();
-
-// 路由
-app.use('/api', routes);
-
-// 健康检查端点
-app.get('/health', (req, res) => {
-  res.status(200).json({ status: 'ok', message: 'Server is running' });
-});
-
-// 错误处理中间件
-app.use(errorHandler);
-
-// 启动服务器
-const PORT = process.env.PORT || 8080;
-app.listen(PORT, () => {
-  logger.info(`Server running in ${process.env.NODE_ENV} mode on port ${PORT}`);
-});
-
-// 处理未捕获的异常
-process.on('uncaughtException', (err) => {
-  logger.error('Uncaught Exception:', err);
-  process.exit(1);
-});
-
-// 处理未处理的 Promise 拒绝
-process.on('unhandledRejection', (err) => {
-  logger.error('Unhandled Rejection:', err);
-  process.exit(1);
+const express = require('express');
+const dotenv = require('dotenv');
+const cors = require('cors');
+const morgan = require('morgan');
+const { connectDB } = require('./config/db');
+const { errorHandler } = require('./middleware/errorHandler');
+const routes = require('./routes');
+const logger = require('./utils/logger');
+
+// 加载环境变量
+dotenv.config();
+
+// 验证关键环境变量
+const requiredEnvVars = ['MONGODB_URI', 'JWT_SECRET', 'ADMIN_USERNAME', 'ADMIN_PASSWORD'];
+const missingEnvVars = requiredEnvVars.filter(envVar => !process.env[envVar]);
+
+if (missingEnvVars.length > 0) {
+  logger.error(`缺少必要的环境变量: ${missingEnvVars.join(', ')}`);
+  process.exit(1);
+}
+
+logger.info('环境变量加载成功');
+logger.info(`NODE_ENV: ${process.env.NODE_ENV}`);
+logger.info(`ADMIN_USERNAME: ${process.env.ADMIN_USERNAME}`);
+logger.info(`JWT_SECRET: ${process.env.JWT_SECRET ? '已设置' : '未设置'}`);
+
+// 初始化 Express 应用
+const app = express();
+
+// 中间件
+app.use(cors());
+app.use(express.json({ limit: '50mb' }));
+app.use(express.urlencoded({ extended: true, limit: '50mb' }));
+// 日志中间件
+if (process.env.NODE_ENV === 'development') {
+  app.use(morgan('dev'));
+}
+
+// 连接数据库
+connectDB();
+
+// 路由
+app.use('/api', routes);
+
+// 健康检查端点
+app.get('/health', (req, res) => {
+  res.status(200).json({ status: 'ok', message: 'Server is running' });
+});
+
+// 错误处理中间件
+app.use(errorHandler);
+
+// 启动服务器
+const PORT = process.env.PORT || 8080;
+app.listen(PORT, () => {
+  logger.info(`Server running in ${process.env.NODE_ENV} mode on port ${PORT}`);
+});
+
+// 处理未捕获的异常
+process.on('uncaughtException', (err) => {
+  logger.error('Uncaught Exception:', err);
+  process.exit(1);
+});
+
+// 处理未处理的 Promise 拒绝
+process.on('unhandledRejection', (err) => {
+  logger.error('Unhandled Rejection:', err);
+  process.exit(1);
 });