Node.js API Masterclass with Express and MongoDB - Single Course & Add Course

The video tutorial covers creating and managing course routes in a web application. It starts with fetching all courses and then focuses on retrieving a single course by its ID. The tutorial then explains how to add a new course to a boot camp, including setting up the necessary routes and handling requests. The process involves checking for existing boot camps, creating new courses, and ensuring the correct data is saved. The video concludes with testing the functionality and preparing for future updates, such as calculating average costs.

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