![](https://github.blog/wp-content/uploads/2023/04/1200x630-Partnerships-Dark@2x.png?resize=800%2C425)
Building GitHub with Ruby and Rails
Since the beginning, GitHub.com has been a Ruby on Rails monolith. Today, the application is nearly two million lines of code and more than 1,000 engineers collaborate on it daily.…
![](https://github.blog/wp-content/uploads/2023/04/1200x630-Partnerships-Dark@2x.png?resize=800%2C425)
Since the beginning, GitHub.com has been a Ruby on Rails monolith. Today, the application is nearly two million lines of code and more than 1,000 engineers collaborate on it daily.…