- name: Start Here documents: - name: Getting Started with Rails url: getting_started.html description: Everything you need to know to install Rails and create your first application. - name: Models documents: - name: Active Record Basics url: active_record_basics.html description: This guide will get you started with models, persistence to database, and the Active Record pattern and library. - name: Active Record Migrations url: active_record_migrations.html description: This guide covers how you can use Active Record migrations to alter your database in a structured and organized manner. - name: Active Record Validations url: active_record_validations.html description: This guide covers how you can use Active Record validations. - name: Active Record Callbacks url: active_record_callbacks.html description: This guide covers how you can use Active Record callbacks. - name: Active Record Associations url: association_basics.html description: This guide covers all the associations provided by Active Record. - name: Active Record Query Interface url: active_record_querying.html description: This guide covers the database query interface provided by Active Record. - name: Active Model Basics url: active_model_basics.html description: This guide covers the use of model classes without Active Record. work_in_progress: true - name: Views documents: - name: Action View Overview url: action_view_overview.html description: This guide provides an introduction to Action View and introduces a few of the more common view helpers. work_in_progress: true - name: Layouts and Rendering in Rails url: layouts_and_rendering.html description: This guide covers the basic layout features of Action Controller and Action View, including rendering and redirecting, using content_for blocks, and working with partials. - name: Action View Form Helpers url: form_helpers.html description: Guide to using built-in Form helpers. - name: Controllers documents: - name: Action Controller Overview url: action_controller_overview.html description: This guide covers how controllers work and how they fit into the request cycle in your application. It includes sessions, filters, and cookies, data streaming, and dealing with exceptions raised by a request, among other topics. - name: Rails Routing from the Outside In url: routing.html description: This guide covers the user-facing features of Rails routing. If you want to understand how to use routing in your own Rails applications, start here. - name: Other Components documents: - name: Active Support Core Extensions url: active_support_core_extensions.html description: This guide documents the Ruby core extensions defined in Active Support. - name: Action Mailer Basics url: action_mailer_basics.html description: This guide describes how to use Action Mailer to send emails. - name: Action Mailbox Basics work_in_progress: true url: action_mailbox_basics.html description: This guide describes how to use Action Mailbox to receive emails. - name: Action Text Overview work_in_progress: true url: action_text_overview.html description: This guide describes how to use Action Text to handle rich text content. - name: Active Job Basics url: active_job_basics.html description: This guide provides you with all you need to get started creating, enqueuing, and executing background jobs. - name: Active Storage Overview url: active_storage_overview.html description: This guide covers how to attach files to your Active Record models. - name: Action Cable Overview url: action_cable_overview.html description: This guide explains how Action Cable works, and how to use WebSockets to create real-time features. - name: Digging Deeper documents: - name: Rails Internationalization (I18n) API url: i18n.html description: This guide covers how to add internationalization to your applications. Your application will be able to translate content to different languages, change pluralization rules, use correct date formats for each country, and so on. - name: Testing Rails Applications url: testing.html description: This is a rather comprehensive guide to the various testing facilities in Rails. It covers everything from 'What is a test?' to Integration Testing. Enjoy. - name: Securing Rails Applications url: security.html description: This guide describes common security problems in web applications and how to avoid them with Rails. - name: Debugging Rails Applications url: debugging_rails_applications.html description: 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. - name: Configuring Rails Applications url: configuring.html description: This guide covers the basic configuration settings for a Rails application. - name: The Rails Command Line url: command_line.html description: This guide covers the command line tools provided by Rails. - name: The Asset Pipeline url: asset_pipeline.html description: This guide documents the asset pipeline. - name: Working with JavaScript in Rails work_in_progress: true url: working_with_javascript_in_rails.html description: This guide covers the built-in Ajax/JavaScript functionality of Rails. - name: The Rails Initialization Process work_in_progress: true url: initialization.html description: This guide explains the internals of the Rails initialization process. - name: Autoloading and Reloading Constants (Zeitwerk Mode) url: autoloading_and_reloading_constants.html description: This guide documents how autoloading and reloading constants work (Zeitwerk mode). - name: Autoloading and Reloading Constants (Classic Mode) url: autoloading_and_reloading_constants_classic_mode.html description: This guide documents how autoloading and reloading constants work (Classic mode). - name: "Caching with Rails: An Overview" url: caching_with_rails.html description: This guide is an introduction to speeding up your Rails application with caching. - name: Active Support Instrumentation work_in_progress: true url: active_support_instrumentation.html description: This guide explains how to use the instrumentation API inside of Active Support to measure events inside of Rails and other Ruby code. - name: Using Rails for API-only Applications url: api_app.html description: This guide explains how to effectively use Rails to develop a JSON API application. - name: Active Record and PostgreSQL work_in_progress: true url: active_record_postgresql.html description: This guide covers PostgreSQL specific usage of Active Record. - name: Multiple Databases with Active Record work_in_progress: true url: active_record_multiple_databases.html description: This guide covers using multiple databases in your application. - name: Extending Rails documents: - name: The Basics of Creating Rails Plugins work_in_progress: true url: plugins.html description: This guide covers how to build a plugin to extend the functionality of Rails. - name: Rails on Rack url: rails_on_rack.html description: This guide covers Rails integration with Rack and interfacing with other Rack components. - name: Creating and Customizing Rails Generators & Templates url: generators.html description: This guide covers the process of adding a brand new generator to your extension or providing an alternative to an element of a built-in Rails generator (such as providing alternative test stubs for the scaffold generator). - name: Getting Started with Engines url: engines.html description: This guide explains how to write a mountable engine. work_in_progress: true - name: Threading and Code Execution in Rails url: threading_and_code_execution.html description: This guide describes the considerations needed and tools available when working directly with concurrency in a Rails application. work_in_progress: true - name: Contributions documents: - name: Contributing to Ruby on Rails url: contributing_to_ruby_on_rails.html description: Rails is not "someone else's framework". This guide covers a variety of ways that you can get involved in the ongoing development of Rails. - name: API Documentation Guidelines url: api_documentation_guidelines.html description: This guide documents the Ruby on Rails API documentation guidelines. - name: Guides Guidelines url: ruby_on_rails_guides_guidelines.html description: This guide documents the Ruby on Rails guides guidelines. - name: Policies documents: - name: Maintenance Policy url: maintenance_policy.html description: What versions of Ruby on Rails are currently supported, and when to expect new versions. - name: Release Notes documents: - name: Upgrading Ruby on Rails url: upgrading_ruby_on_rails.html description: This guide helps in upgrading applications to latest Ruby on Rails versions. - name: Version 6.0 - August 2019 url: 6_0_release_notes.html description: Release notes for Rails 6.0. - name: Version 5.2 - April 2018 url: 5_2_release_notes.html description: Release notes for Rails 5.2. - name: Version 5.1 - April 2017 url: 5_1_release_notes.html description: Release notes for Rails 5.1. - name: Version 5.0 - June 2016 url: 5_0_release_notes.html description: Release notes for Rails 5.0. - name: Version 4.2 - December 2014 url: 4_2_release_notes.html description: Release notes for Rails 4.2. - name: Version 4.1 - April 2014 url: 4_1_release_notes.html description: Release notes for Rails 4.1. - name: Version 4.0 - June 2013 url: 4_0_release_notes.html description: Release notes for Rails 4.0. - name: Version 3.2 - January 2012 url: 3_2_release_notes.html description: Release notes for Rails 3.2. - name: Version 3.1 - August 2011 url: 3_1_release_notes.html description: Release notes for Rails 3.1. - name: Version 3.0 - August 2010 url: 3_0_release_notes.html description: Release notes for Rails 3.0. - name: Version 2.3 - March 2009 url: 2_3_release_notes.html description: Release notes for Rails 2.3. - name: Version 2.2 - November 2008 url: 2_2_release_notes.html description: Release notes for Rails 2.2.