Serving Products – Back-end Routes

The video tutorial guides viewers through setting up a simple backend server using Node.js and Express. It covers initializing the backend, creating routes to serve product data, configuring API endpoints, and handling requests for single products. The tutorial also discusses integrating the backend with a React frontend, emphasizing the transition from using CommonJS to ES modules. The focus is on creating a basic server to serve JSON data, with plans to expand functionality in future lessons.

What is the difference between CommonJS and ES modules as discussed in the text?

How can you retrieve a single product by its ID from the backend?

What is the final step mentioned in the text before moving back to the frontend?