After looking at the building blocks in the past chapter, we will now explore the fundamental aspects of any Elixir project. There are a few rules that need to be followed, but fortunately every one of them is simple to adopt and contributes to an understandable project structure. An application that doesn't get in the way of the evolution and maintenance tasks during all its years in production is a joy for the people who work with it, and this is exactly what we aim for.
We will start by learning what an Elixir application is and how we can structure an Elixir project, along with some of the existing good practices that you can leverage. We will introduce Umbrella applications and how they can help you to define more rigid boundaries between your project's components. When creating our umbrella project, we will use some common...
