Chapter 4: Creating Reusable Templates

This chapter is where you will really begin to see the power that Gatsby brings to larger sites. You will learn about how we can programmatically create pages using reusable templates and data sourced via GraphQL. By the end of this chapter, you will have created lists of blog posts, blog pages, and tag pages. You'll also understand how to introduce pagination and search functionality to your site.

All the pages we have created up until now have been single instances, meaning there is only one copy of that page on the site (for example, our index page, of which there will be only one copy ever). But what happens when we consider pages such as blog pages? It would be a very laborious process to create a single instance page for each post. So, instead, we can use templates. A template is a multi-instance of a page component that is mapped to data. For every node in a GraphQL query, we can create a page using this template and populate it...