"How to debug, log, and monitor performance in Node.js` This guide provides an overview of how to debug, log, and monitor performance in Node.js. It covers the basics of exceptions and errors, logging levels, console logging functions, logging objects, and external logging packages like Winston. The guide also discusses debugging techniques, including using the Node inspector, debugging in a terminal or browser, and remote debugging with Docker containers. Additionally, it provides tips on optimizing performance, such as profiling and optimization, using tools like Sentry to monitor application performance in real-time. The goal of this guide is to help developers improve their skills in debugging, logging, and monitoring performance in Node.js, leading to faster and more efficient development, testing, and deployment of applications.