The Changeset API Pattern
The focus is on enhancing data integrity in your application by adding explicitness between your API and your schema changesets.
This month CityBase posted an article that I wrote on Elixir umbrella applications, and how this concept can help to build a codebase that can scale. You can read it here: https://medium.com/@citybase/elixir-umbrella-projects-building-blocks-for-code-that-scales-55d3158f4961