Udemy – NodeJS Internals and Architecture 2025-3

Apr 18, 2025 - 19:10

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The NodeJS Internals and Architecture course is designed to provide a deeper understanding of the internals and architecture of NodeJS. The main goal of this course is to demystify and provide a clear view of how this popular backend execution environment works. This course is designed for engineers who want to fully understand how systems work and are willing to explore the hidden layers of code. They want to know how one line of code turns into thousands of lines of code, why the output of a Node application is unpredictable, when a Node process terminates, why Node sometimes takes a long time to start, and how Node works on different operating systems.

By understanding the internals of the HTTP module, you can write a backend in Node that can handle more requests. Every line of code you write is designed with how and when Node will process it. By understanding the event loop and its various stages, you can fine-tune and organize your code to achieve the best performance and consistent results. Have you ever written a Node program that failed 1% of the time and succeeded 99% of the time? Understanding the Node architecture will help you write more predictable programs, rather than adding workarounds due to a lack of understanding. This course is suitable for intermediate students who are familiar with Node and want to understand how it works. Although not required, it is recommended that you take the Operating System Fundamentals course as a prerequisite for this course.