Files
MinglarBackendNestJS/src/main.ts
2025-11-14 14:44:04 +05:30

83 lines
2.7 KiB
TypeScript

import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import { ConfigService } from '@nestjs/config';
import helmet from 'helmet';
import { AppModule } from './app/app.module';
import { writeFileSync } from 'fs';
import { join } from 'path';
async function bootstrap() {
const app = await NestFactory.create(AppModule);
const configService = app.get(ConfigService);
// ✅ Security Middlewares
app.use(helmet());
app.enableCors({
origin: [
'http://localhost:3000', // Local Swagger UI
'http://localhost:5173', // Local Frontend
'https://editor.swagger.io', // Swagger Editor
'https://klc-admin.wdiprojects.com',
'https://admin-uat.klc.betadelivery.com',
],
methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
credentials: true,
});
// ✅ Global prefix
const globalPrefix = configService.get('API_PREFIX') || 'api/v1';
app.setGlobalPrefix(globalPrefix);
// ✅ Logging middleware
app.use((req, _res, next) => {
console.log(`📝 ${new Date().toISOString()} - ${req.method} ${req.url}`);
next();
});
// ✅ Global validation
app.useGlobalPipes(
new ValidationPipe({
whitelist: true,
forbidNonWhitelisted: true,
transform: true,
transformOptions: {
enableImplicitConversion: true,
},
}),
);
// ✅ Swagger setup (only for local/dev)
if (configService.get('NODE_ENV') !== 'production') {
const swaggerConfig = new DocumentBuilder()
.setTitle('Minglar API')
.setDescription('NestJS Backend for Minglar with Lambda-ready endpoints')
.setVersion(configService.get('API_VERSION') || '1.0.0')
.addBearerAuth()
.addServer(`${process.env.SERVER_URL || 'http://localhost:3000'}/`, 'Local Server')
.build();
const document = SwaggerModule.createDocument(app, swaggerConfig);
SwaggerModule.setup('api/docs', app, document);
// Optionally write swagger.json for offline usage
const outputPath = join(process.cwd(), 'swagger.json');
writeFileSync(outputPath, JSON.stringify(document, null, 2), 'utf8');
console.log(`✅ Swagger JSON file generated at: ${outputPath}`);
}
// ✅ Start app (only for local or non-Lambda)
const port = configService.get('PORT') || 3000;
await app.listen(port);
console.log(`🚀 Server running at http://localhost:${port}`);
if (configService.get('NODE_ENV') !== 'production') {
console.log(`📚 Swagger docs: http://localhost:${port}/api/docs`);
}
}
// Only run bootstrap if not in AWS Lambda
if (!process.env.AWS_LAMBDA_FUNCTION_NAME) {
bootstrap();
}