Scaling up Node.js Socket Server with Nginx and Redis | server.js

server.js

const express = require('express');
const app = express();

app.get('/', (req, res) => {
    res.end(`Hi, PID: ${process.pid}`);
});

app.listen(process.env.PORT);

console.log(`Server running on ${process.env.PORT} port, PID: ${process.pid}`);