Hands-On Dependency Injection in Go

Goals for our system

Have you ever tried to grow your own vegetables from seed? It's a long, slow, but gratifying experience. Building great code is no different. In gardening, it's perhaps more common to skip the first step and buy plants as seedlings from the nursery, and programming is much the same. Most of the time, when we join a project, the code already exists; sometimes it's happy and healthy, but often it's sick and dying.

In this situation, we are adopting a system. It works, but has a few thorns—Ok, maybe more than a few. With some tender loving care, we will turn this system into something healthy and thriving.

So, how do we define a healthy system? The system we have works; it does what the business needs it to do. That's enough, ...