Using Rails & Phoneix together

https://littlelines.com/blog/2016/09/27/using-phoenix-with-a-legagy-rails-app
https://medium.com/@sugarpirate/rise-from-the-ashes-incremental-apis-with-phoenix-b08cd66bd142

https://elixirforum.com/t/is-it-possible-to-use-rails-with-phoenix/2851