That's the approach described in this article: https://medium.com/@dan_manges/the-modular-monolith-rails-architecture-fb1023826fc4 https://medium.com/@dan_mange

That's the approach described in this article: https://medium.com/@dan_manges/the-modular-monolith-rails-architecture-fb1023826fc4 https://medium.com/@dan_manges/the-modular-monolith-rails-ar... Instead of an app directory you put all your code into gems and engines. Shopify has taken the approach of siloing their monolith into smaller rails apps which is a similar approach to refactoring into rails engines.