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import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { NorthwindapiModule } from './northwindapi.module';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import { ApploggerService } from '@bpm/common';
import * as dotenv from 'dotenv';
import * as express from 'express';
// Load environment variables from .env file
dotenv.config();
async function bootstrap() {
const context = 'northwindapi';
const logger = new ApploggerService(context);
logger.log('🛠️ Starting up the NestJS Application...\n', context);
logger.log('📦 Loading modules...\n', context);
const app = await NestFactory.create(NorthwindapiModule);
// enable dto validation
app.useGlobalPipes(new ValidationPipe({
transform: true, // enables class-transformer
}));
//disable the dto validation
// app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true }));
app.enableCors({
origin: [/http:\/\/localhost:\d+$/], // Allow all requests from localhost on any port
credentials: true, // Enable credentials if needed (cookies, auth headers, etc.)
methods: ['GET','POST','PUT','DELETE'],
allowedHeaders: '*',
});
app.setGlobalPrefix('api'); // 👈 This sets /api as the prefix
app.use(express.json());
const config = new DocumentBuilder()
.setTitle('Northwind API')
.setDescription('Northwind API description')
.setVersion('1.0')
.addTag('northwind')
.build();
const documentFactory = () => SwaggerModule.createDocument(app, config);
SwaggerModule.setup('swagger', app, documentFactory, {
jsonDocumentUrl: 'swagger/json',
});
const port = process.env.PORT || 3002;
try {
await app.listen(port, () => {
logger.log('✅ App Modules initialized successfully\n', context);
logger.log('🌐 Enabling global configurations...\n', context);
logger.log(
`🚀 Application is running at: http://localhost:${port}\n`,
context,
);
logger.log('📡 Ready to accept incoming requests!\n', context);
logger.log('🧠 Powered by NestJS ❤️\n', context);
});
} catch (err) {
logger.error('❌ Failed to start application\n', err.stack);
if (app) {
await app.close();
}
}
// OS signal listeners (optional)
process.on('SIGINT', async () => {
logger.warn('🛑 SIGINT received. Gracefully shutting down...', context);
await app.close();
process.exit(1);
});
process.on('SIGTERM', async () => {
logger.warn('🛑 SIGTERM received. Gracefully shutting down...', context);
await app.close();
process.exit(1);
});
}
bootstrap();
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