Rails Fever Blog

Using Claude on a greenfield Rails app is easy. The codebase is small, the conventions are Claude’s defaults, and there is almost no prior art to conflict with. Using Claude on a six-year-old Rails monolith...

If you run a product built on Ruby on Rails, your app depends on two major pieces of infrastructure: the Rails framework and the Ruby programming language. Most founders and CTOs pay attention to Rails...

Rails app maintenance is the work that keeps a production application secure, performant, and changeable over time. It is not glamorous. It does not show up in product demos. But it is the difference between...

Rails 8 has been out long enough now that “we’re planning our Rails 7 to Rails 8 upgrade” is no longer early-adopter talk. It is overdue for a lot of teams. If you’re on Rails...

There is a pattern that plays out across Rails apps of every size. The app runs fine for months. Then something breaks — a gem vulnerability, a production error spike, a deploy that will not...

At some point, most Rails apps outgrow the “one developer who knows everything” model. Maybe that developer left. Maybe the app got complex enough that one person cannot cover security patches, dependency updates, production monitoring,...