How do you create a dynamic route in Next.js?

To clarify, when we talk about dynamic routes in Next.js, we're referring to the capability to create pages that can dynamically change based on the path parameters. This is crucial for any application that requires content to be fetched based on user input or other variables, such as a blog or an e-commerce site.

The first step in creating a dynamic route is to define the file structure in the pages directory. In Next.js, the file and folder structure in the pages directory directly correlates to the routes of your application. To create a dynamic route, you would use the square bracket notation ([param]) to encapsulate the dynamic segment of the path. For instance, if you're building a blog and want each post to have its own route based on its id, you would create a file named...