Engineering Resilient Architectures For Critical Scale.

const express = require('express');

const app = express();

const router = express.Router();

// Production middleware & idempotent handlers

app.use(express.json({ limit: '10mb' }));

router.get('/api/v1/health', async (req, res) => {

return res.status(200).json({

service: 'Node.js Express Engine',

status: 'OPTIMAL',

uptime: process.uptime(),

stack: ['Vue.js', 'Node.js', 'Flutter']

});

});

app.use(router);

module.exports = app;