Implementing server-side rendering

Now that we know why server-side rendering is useful, let's implement it in our application. First, we will need to think about what we need to do to implement this functionality:

1. Figure out which (sub)page was requested.
2. Gather all the data required to render the page.
3. Render the HTML using this data.
4. Send this HTML to the client.

For this section, we will use the template code from chapter10_1.zip. This template adds a file on the server where we can implement server-side rendering without having to deal with the rest of the server code.

Handling the request/routing

In order to be able to render any page on the server, we need to make use of react-router on the server. First, we...