Serving basic errors
At this point, it makes some sense to talk a bit about errors. In all likelihood, you may have already encountered one as you played with our basic flat file serving server, particularly if you went beyond two or three pages.
Our example code includes four example HTML files for flat serving, numbered 1.html, 2.html, and so on. What happens when you hit the /pages/5 endpoint, though? Luckily, the http package will automatically handle the file not found errors, just like most common web servers.
Also, similar to most common web servers, the error page itself is small, bland, and nondescript. In the following section, you can see the 404 page not found status response we get from Go:
As mentioned, it's a very basic and nondescript ...
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