Using Git Flow, learn how to work with branches and organize your changes. Once you have completed features, learn how to merge them back into a develop branch and prepare for a release to your master branch.
Prevent unauthorized access to your application with Pundit; an authorization library for Ruby on Rails which restricts what resources a given user is allowed to access.
Add multi factor authentication to your existing authentication solution. This gives your users the option to increase the level of security to their account and help prevent unauthorized access.
Devise is a flexible authentication solution for Rails based on Warden. Learn how to add a stable authentication solution like Devise to your application.