Upload main.ts

projects/telegram-send-demo/backend/src/main.ts

@@ -0,0 +1,38 @@
+import * as dns from 'node:dns';
+import { Logger } from '@nestjs/common';
+import { NestFactory } from '@nestjs/core';
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
+import { AppModule } from './app.module';
+
+dns.setDefaultResultOrder('ipv4first');
+
+async function bootstrap(): Promise<void> {
+  const app = await NestFactory.create(AppModule);
+
+  const swaggerConfig = new DocumentBuilder()
+    .setTitle('Telegram Notifier API')
+    .setDescription('API for sending Telegram notifications and connecting chats.')
+    .setVersion('1.0')
+    .build();
+  const swaggerDocument = SwaggerModule.createDocument(app, swaggerConfig);
+  SwaggerModule.setup('api/docs', app, swaggerDocument);
+
+  const corsOrigins = (process.env.CORS_ORIGINS ?? 'http://localhost:5173')
+    .split(',')
+    .map((origin) => origin.trim())
+    .filter(Boolean);
+
+  app.enableCors({
+    origin: corsOrigins,
+    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
+    credentials: true,
+  });
+  app.enableShutdownHooks();
+
+  const port = Number(process.env.PORT ?? 3000);
+  await app.listen(port);
+
+  Logger.log(`API listening on http://localhost:${port}`, 'Bootstrap');
+}
+
+void bootstrap();