Authentication Episodes - Ruby on Rails Screencast Tutorials

Improving Onboarding By Registering With A Domain

Dec 08, 2025 Pro

Thinking through our onboarding process, it would be great to ask a user to enter a domain and store it automatically on registration.

18m

Authentication Generator and Registration

Nov 28, 2025 Pro

Next, we need users, sign up, and authentication so we'll use the Rails authentication generator.

13m

Authentication Generator Test Helpers

Jun 09, 2025

The Rails Authentication generator is getting new test helpers. We'll take a look at how to use them with integration tests and how to extend them to work with system tests too.

Routing Constraints with Rails Authentication Generator

Devise has a couple handy routing helpers to constrain routes for authenticated users. In this lesson, we'll learn how to do this from scratch by adding routing constraints Rails' built-in authentication generator

16m

How To Add Impersonation To Rails Authentication Generator

Oct 07, 2024

The Rails authentication generator is an awesome new addition with Rails 8 so let's explore how we can customize it to support user impersonation.

11m

Adding Referrals to Devise with the Refer gem

Jul 29, 2024 Pro

Customizing Devise feels daunting, but it's surprisingly easy. In this lesson, we'll customize Devise to track referrals using the Refer gem.

36m

Improving Revise Auth Redirects

Jul 01, 2024 Pro

The Revise Auth gem that I wrote didn't have a consistent redirect mechanism for after sign up or sign in, so this lesson we're going to refactor and write tests to improve this feature.

17m

Dynamic Configs in Devise with Ruby Lambdas

Nov 27, 2023 Pro

Config options sometimes need to support dynamic values and not just simple booleans. In this lesson, we'll discover a config in Devise, explore how we can hack around it, and then make a Pull Request to improve this feature in Devise instead.

14m

Magic Link Authentication with generates_token_for in Rails 7.1

Sep 22, 2023 Pro

Rails 7.1's new generates_token_for method allows us to build password reset and Magic Link login tokens without storing details in the database. Tokens have expirations and can be one-time use so they can't be reused.

44m

Rails 7.1 Authentication From Scratch

Sep 13, 2023

Rails 7.1 introduces many new features for authentication. In this lesson, we'll show you how to implement authentication from scratch using Rails 7.1's new features.

31m

How to debug OAuth login in Rails with OmniAuth

Jun 05, 2023 Pro

OAuth can be hard to understand and debug. Plus, this process is abstracted even further with OmniAuth in Rails. In this episode, we'll walk through t

20m

Authenticating Blog Admin Pages

Apr 03, 2023

Anyone can create, edit, or delete a blog post in our Rails app currently. In this lesson, we'll add authentication so only allowed users can do those actions.

15m

How to Refresh the OmniAuth AuthHash

Oct 31, 2022 Pro

This episode, we explore the internals of OmniAuth in order to fix a bug and refresh the OmniAuth AuthHash without reinventing the wheel

11m

How to use Devise with Hotwire & Turbo.js

Jan 01, 2021

Hotwire's Turbo library intercepts forms automatically so Devise needs a few tweaks to work with it. Learn how to do that in this screencast!

15m

Require Work Email Address on Registration

Oct 28, 2020 Pro

Ever wanted to restrict user registrations to an account's work email or corporate email domains in your Rails app? It's a lot simpler than you might think.

12m

Testing Rails ActionCable with Devise

Dec 09, 2019 Pro

Testing ActionCable authentication with Devise is pretty easy, especially when we build our own helpers to stub out Warden

How to use Devise Test Helpers

Sep 25, 2019

Adding Devise test helpers allows you to quickly login a user for testing controllers in Rails

Strong Passwords with HaveIBeenPwned

Mar 01, 2019 Pro

The HaveIBeenPwned Password API lets us enforce strong passwords and warn users their password has been in a data breach

11m

User Avatars with ActiveStorage

Nov 21, 2018

Adding user avatars is pretty easy using Rails' ActiveStorage feature. We'll be using Devise in this example, but this applies to any user authentication system.

16m

React Native with Rails OAuth API Authentication Part 3

Jul 19, 2018 Pro

Learn how to build a React Native application to connect to your Rails API using OAuth for authentication

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