Oct 28, 2025 · Everything you need. Rails is a full-stack framework. It ships with all the tools needed to build amazing web apps on both the front and back end.

1. Introduction Welcome to Ruby on Rails! In this guide, we'll walk through the core concepts of building web applications with Rails. You don't need any experience with Rails to follow along with this guide. …

This guide describes how to debug Rails applications. It covers the different ways of achieving this and how to understand what is happening "behind the scenes" of your code.

Rails is a web application framework running on the Ruby programming language. If you have no prior experience with Ruby, you will find a very steep learning curve diving straight into Rails.

Rails is a web application development framework written in the Ruby programming language. It is designed to make programming web applications easier by making assumptions about what every …

Dec 13, 2024 · We’ve released Ruby on Rails 2.3.6: six months of bug fixes, a handful of new features, and a strong bridge to Rails 3. We deprecated some obscure and ancient features...

This Guide is based on Rails 2.3. Some of the code shown here will not work in older versions of Rails.

This guide covers the configuration and initialization features available to Rails applications.After reading this guide, you will know: How to adjust the behavior of your Rails applications.

A JavaScript file within a Rails application or Rails engine goes in one of three locations: app/assets, lib/assets or vendor/assets. These locations are explained in detail in the Asset Organization section …

Check the Ruby on Rails Guides Guidelines for style and conventions. If for whatever reason you spot something to fix but cannot patch it yourself, please open an issue.