How to Deploy MERN Stack App on VPS (Hostinger) | Step-by-Step Full Guide

A detailed guide demonstrating the end-to-end process of deploying a MERN Stack application on a Virtual Private Server (VPS), specifically utilizing Hostinger infrastructure. The tutorial covers taking a development project, comprising React, Node.js, Express, and MongoDB Atlas, and making it accessible on a live production server via a custom domain name. The session walks through essential configuration steps required for a production environment, ensuring the application functions correctly beyond localhost.

Key technical procedures covered include initial VPS setup and Node.js installation on the server environment. The backend service is managed using PM2 process manager for reliability, while the frontend React build is deployed separately. Furthermore, the guide details setting up Nginx as a reverse proxy to correctly route traffic to the Node.js backend application. This content is structured as a step-by-step tutorial for developers looking to learn real-world deployment practices for their full-stack projects.