action_fallback and contexts in Phoenix 1.3 made my controllers tiny!
Phoenix 1.3 is pure love for API development
Elixir State Management: Agent or GenServer?
A look at two of the common state management tools in Elixir. http://awochna.com/2017/03/03/elixir-state-management.html