Files
HOA_Financial_Platform/backend/src/main.ts
2026-03-07 12:01:57 -05:00

79 lines
2.6 KiB
TypeScript

import * as _cluster from 'node:cluster';
import * as os from 'node:os';
import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import { AppModule } from './app.module';
const cluster = _cluster as any; // Cast to 'any' bypasses the missing property errors
const isProduction = process.env.NODE_ENV === 'production';
// ---------------------------------------------------------------------------
// Clustering — fork one worker per CPU core in production
// ---------------------------------------------------------------------------
const WORKERS = isProduction
? Math.min(os.cpus().length, 4) // cap at 4 workers to stay within DB pool
: 1; // single process in dev
if (WORKERS > 1 && cluster.isPrimary) {
console.log(`Primary ${process.pid} forking ${WORKERS} workers ...`);
for (let i = 0; i < WORKERS; i++) {
cluster.fork();
}
cluster.on('exit', (worker: any, code: number) => {
console.warn(`Worker ${worker.process.pid} exited (code ${code}), restarting ...`);
cluster.fork();
});
} else {
bootstrap();
}
// ---------------------------------------------------------------------------
// NestJS bootstrap
// ---------------------------------------------------------------------------
async function bootstrap() {
const app = await NestFactory.create(AppModule, {
logger: isProduction ? ['error', 'warn', 'log'] : ['error', 'warn', 'log', 'debug', 'verbose'],
});
app.setGlobalPrefix('api');
// Request logging — only in development (too noisy / slow for prod)
if (!isProduction) {
app.use((req: any, _res: any, next: any) => {
console.log(`[REQ] ${req.method} ${req.url} auth=${req.headers.authorization ? 'yes' : 'no'}`);
next();
});
}
app.useGlobalPipes(
new ValidationPipe({
whitelist: false,
forbidNonWhitelisted: false,
transform: true,
}),
);
// CORS — in production nginx handles this; accept all origins behind the proxy
app.enableCors({
origin: isProduction ? true : ['http://localhost', 'http://localhost:5173'],
credentials: true,
});
// Swagger docs — available in all environments
const config = new DocumentBuilder()
.setTitle('HOA LedgerIQ API')
.setDescription('API for the HOA LedgerIQ')
.setVersion('2026.3.7')
.addBearerAuth()
.build();
const document = SwaggerModule.createDocument(app, config);
SwaggerModule.setup('api/docs', app, document);
await app.listen(3000);
console.log(`Backend worker ${process.pid} listening on port 3000`);
}