Learn how to get the most out of Ruby on Rails 7 without making a mess. Create Rails apps that can be sustained for years without accruing carrying costs that make development slow and expensive. Recently updated for Ruby on Rails version 7, this book is over 450 pages of practical tips, with clear code examples. Each tip is presented with the tradeoffs and nuance you'd face on an actual project. Everything in the book has been applied to real-world systems that have been in production for years. If you want that for your apps, this book has what you are looking for.