Under Deconstruction: The State of Shopify’s Monolith — Development (2021)

Ruby on Rails is a great framework for rapidly building beautiful web applications that users and developers love. But if an application is successful, there’s usually continued investment, resulting in additional features and increased overall system complexity.Shopify’s core monolith has over 2.8 million lines of Ruby code and 500,000 commits. Rails doesn’t provide patterns or tooling for managing the inherent complexity and adding features in a structured, well-bounded way.