feat: graphql + typeorm + config + postgresql

src/main.ts

@@ -1,8 +1,10 @@
+import { ConfigService } from '@nestjs/config';
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  await app.listen(7122);
+  const configService = app.get(ConfigService);
+  await app.listen(configService.get<number>('http.port'));
 }
 bootstrap();