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.

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.

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 …

After reading this guide, you will know how to use the Rails command line: To create a Rails application. To generate models, controllers, tests, and database migrations.

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 …

This guide will walk you through installing the Ruby programming language and the Rails framework on your operating system. While your OS might come with Ruby pre-installed, it's …

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.

This guide covers the user-facing features of Rails routing.After reading this guide, you will know: How to interpret the code in config/routes.rb. How to construct your own routes, using either …

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.

You should also first upgrade to Rails 8.0 in case you haven't and make sure your application still runs as expected before attempting an update to Rails 8.1. A list of things to watch out for …