feat: 数据库迁移支持

apps/backend/src/app.module.ts

@@ -15,20 +15,13 @@ import { ThrottlerModule } from '@nestjs/throttler';
 import { CaptchaModule } from './captcha/captcha.module';
 import { SmsModule } from './sms/sms.module';
 import { CommonModule } from './common/common.module';
+import { AppDataSource } from './data-source';
 
 @Module({
   imports: [
     ConfigModule.forRoot({ isGlobal: true }),
-    TypeOrmModule.forRoot({
-      type: 'postgres',
-      host: process.env.DATABASE_HOST,
-      port: parseInt(process.env.DATABASE_PORT, 10) || 5432,
-      username: process.env.DATABASE_USERNAME,
-      password: process.env.DATABASE_PASSWORD,
-      database: process.env.DATABASE_NAME,
-      autoLoadEntities: true,
-      entities: [],
-      synchronize: process.env.NODE_ENV !== 'production', // Set to false in production
+    TypeOrmModule.forRootAsync({
+      useFactory: () => AppDataSource.options,
     }),
     ThrottlerModule.forRoot({
       ignoreUserAgents: [/googlebot/i, /bingbot/i],