feat: complete admin panel and backend admin api migration

apps/api/src/main.ts

@@ -1,15 +1,25 @@
 import 'reflect-metadata';
 import { NestFactory } from '@nestjs/core';
 import { ValidationPipe } from '@nestjs/common';
+import { NestExpressApplication } from '@nestjs/platform-express';
+import { join } from 'node:path';
 import { AppModule } from './app.module';
 import { PrismaExceptionFilter } from './prisma/prisma-exception.filter';
 
 async function bootstrap() {
-  const app = await NestFactory.create(AppModule);
+  const app = await NestFactory.create<NestExpressApplication>(AppModule);
   app.setGlobalPrefix('api');
   app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true }));
   app.useGlobalFilters(new PrismaExceptionFilter());
   app.enableCors();
-  await app.listen(process.env.PORT ?? 3000);
+  // Uploaded files, mounted OUTSIDE the /api prefix so the URLs stored on
+  // UploadedFile.url ("/uploads/<name>") resolve directly.
+  app.useStaticAssets(process.env.UPLOAD_DIR ?? join(process.cwd(), 'storage', 'uploads'), {
+    prefix: '/uploads/',
+    index: false,
+    dotfiles: 'deny',
+  });
+  // Bind all interfaces explicitly so the container is reachable from nginx.
+  await app.listen(process.env.PORT ?? 3000, '0.0.0.0');
 }
 bootstrap();