Given the security implications of getting the implementation correct, we strongly encourage you to use OAuth 2.0 libraries when interacting with Google's OAuth 2.0 endpoints. It is a best practice to use well-debugged code provided by others, and it will help you protect yourself and your users. For more information, see Client libraries.

Until now, we had a lot of code. Although we were using a plugin to help with boilerplate code, ready endpoints, and webpages for sign in/sign up management, a lot of adaptations were necessary. This is when Doorkeeper comes to the rescue. It is not only an OAuth 2 provider for Rails but also a full OAuth 2 suite for Ruby and related frameworks (Sinatra, Devise, MongoDB, support for JWT, and more).

The focus of the dev container specification is to describe how to enrich a container for the purposes of development, rather than acting as a multi-container orchestrator format.

URI::MailTo::EMAIL_REGEXP

While you could nest an activity into another manually, the Subprocess macro will come in handy.

The macro automatically wires all of Validate’s ends to the known counter-part tracks.

ActiveModel provides a powerful framework for defining callbacks. ActiveInteraction hooks into that framework to allow hooking into various parts of an interaction's lifecycle.

If you'd prefer, you can use a third-party library like Modernizr or Detect It to do this test for you.