Building Microservices with Go: 15. Refactoring Part 3/3

In the final part of our refactoring exercise we look at how we can make the final changes to the RESTFul products API to add the ability to select a currency. Most of this episode is a little bit of a chore as I refactor the logger from the standard library with the structured logger hclog.

Source code:
https://github.com/nicholasjackson/building-microservices-youtube/tree/episode_15_2

Adding query string restrictions with Gorilla framework:

Documenting query string parameters with GoSwagger: