MERN Deployment – Common Errors & Troubleshooting Guide

Nov 13, 2025 · 4 min read · This guide covers the most common errors faced during manual MERN deployment (EC2, PM2, Nginx, MongoDB, API, SSL, DNS, S3 etc.) and explains how to troubleshoot them step-by-step. MongoDB, API, SSL, DNS, S3 etc.) and explains how to troubleshoot them...