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. …

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 framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.

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 While your OS might come with Ruby pre-installed, it's often outdated and …

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

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 when …

Build an e-commerce app and learn the basics of Rails with this in-depth, hands-on, step-by-step tutorial. If you have no prior knowledge of Rails, this is a great place to start.

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.

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 …