omnichannel-backend/src/main.ts

import 'reflect-metadata';
import { Logger } from '@nestjs/common';
import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';
import { loadEnv } from './infra/config/load-env';

async function bootstrap() {
  loadEnv();

  const app = await NestFactory.create(AppModule);
  const frontendUrl = process.env.FRONTEND_URL || 'http://localhost:3000';
  const allowedOrigins = new Set(
    frontendUrl
      .split(',')
      .map((origin) => origin.trim())
      .filter(Boolean),
  );
  allowedOrigins.add('http://localhost:3000');
  allowedOrigins.add('http://localhost:5173');
  const port = Number(process.env.PORT || process.env.BACKEND_PORT || 3001);

  app.enableCors({
    origin(origin, callback) {
      if (!origin || allowedOrigins.has(origin)) {
        callback(null, true);
        return;
      }
      callback(new Error(`Origem CORS nao permitida: ${origin}`));
    },
    credentials: true,
  });

  await app.listen(port);
  Logger.log(`Backend ouvindo na porta ${port}`, 'Bootstrap');
}

bootstrap();