Getting started with Ruby on Rails Routing ActiveRecord Views ActiveRecord Migrations Rails Best Practices Naming Conventions ActionCable ActiveModel User Authentication in Rails ActiveRecord Associations ActiveRecord Validations ActiveRecord Query Interface ActionMailer Rails generate commands Configuration I18n - Internationalization Using GoogleMaps with Rails File Uploads Caching ActionController Configuration Safe Constantize Rails 5 Authorization with CanCan Mongoid Gems Change default timezone Asset Pipeline Upgrading Rails ActiveRecord Locking Debugging Configure Angular with Rails Rails logger Prawn PDF Rails API Deploying a Rails app on Heroku ActiveSupport Form Helpers ActiveRecord Transactions RSpec and Ruby on Rails Decorator pattern Elasticsearch React with Rails using react-rails gem Rails Cookbook - Advanced rails recipes/learnings and coding techniques Multipurpose ActiveRecord columns Class Organization Shallow Routing Model states: AASM Rails 5 API Authetication Testing Rails Applications Active Jobs Rails frameworks over the years Add Admin Panel Nested form in Ruby on Rails Factory Girl Import whole CSV files from specific folder Tools for Ruby on Rails code optimization and cleanup ActiveJob Active Model Serializers Rails Engine - Modular Rails Single Table Inheritance ActiveRecord Transactions Turbolinks Friendly ID Securely storing authentication keys Authenticate Api using Devise Integrating React.js with Rails Using Hyperloop Change a default Rails application enviornment Reserved Words Rails -Engines Adding an Amazon RDS to your rails application Payment feature in rails Rails on docker

Rails API

Creating an API-only application

To build a Rails application that will be an API server, you can start with a more limited subset of Rails in Rails 5.

To generate a new Rails API app:

rails new my_api --api

What --api does is to remove functionality that is not needed when building an API. This includes sessions, cookies, assets, and anything that makes Rails work on a browser.

It will also configure the generators so that they don't generate views, helpers, and assets when generating a new resource.

When you compare the ApplicationController on a web app versus an API app, you will see that the web version extends from ActionController::Base, whereas the API version extends from ActionController::API, which includes a much smaller subset of functionality.

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