A look at umbrella applications and how they can help us write cleaner maintainable code.

Run all of the tests, or just a specific tests, for a given child app in an umbrella application with this handy command.

The release of Elixir 1.9 gave us mix release and the ability to support basic releases, runtime configuration and more, natively in Elixir. Learn how we were able to build a production release of an Elixir umbrella app with Docker, mix release and the new Config module.