Level Up Your Web Apps With Go

Chapter 7Gophr Part 4: Images

In this chapter we’re going to start delving into the depths of the Gophr system. So far the work we’ve done has been about setting up the skeleton of a web application, which is much the same with all web apps―it’s important work but hardly scintillating. Now we’ll start diving into the interesting bits: uploading and displaying images.

Gophr will allow users to upload images either directly from their computer or by providing a URL for the image, which we’ll then download and store. Storing image information in a flat file isn’t the most performant way of keeping information, so we’ll store the image meta data (rather than the images themselves) in a MySQL database and use the database/sql package. This will allow ...