/**

* Module dependencies.

*/

const cluster = require('cluster'),

numCPUs = require('os').cpus().length,

express = require('express');

const bodyParser = require('body-parser');

if (cluster.isMaster) {

// Fork workers.

for (let i = 0; i < numCPUs; i++) {

cluster.fork();

}

cluster.on('exit', (worker, code, signal) =>

console.log('worker ' + worker.pid + ' died'));

} else {

const app = module.exports = express();

// Configuration

app.use(bodyParser.urlencoded({ extended: true }));

// Set headers for all routes

app.use((req, res, next) => {

res.setHeader("Server", "Express");

return next();

});

app.set('view engine', 'jade');

app.set('views', __dirname + '/views');

// Routes

app.get('/json', (req, res) => res.send({ message: 'Hello, World!' }));

app.get('/plaintext', (req, res) =>

res.header('Content-Type', 'text/plain').send('Hello, World!'));

app.listen(8080);

}