Node.js is an open-source JavaScript runtime that allows you to run JavaScript code outside the browser. Built on Chrome's V8 engine, it is known for its speed and scalability, making it ideal for real-time and high-performance applications. Running Node applications in production faces unique challenges — you need to handle unexpected crashes, manage processes, and ensure continuous uptime. PM2 is a Production Process Manager for Node.js applications that simplifies application management, allo......