Adding indexes to your databases can increase the SQL search performance on your tables. As your application grows, migration files can become out of hand, use squasher to squish them down to a single file.

Save expensive calculation time using Rack::Attack, we will learn how to limit requests coming into our application. This gem not only limits requests, but can be used to blacklist or whitelist users as well.

Using the knock gem, we will add JWT Authentication to our Rails API Application.

Using ActiveModel::Serializer, learn how to create the JSON responses for your Rails API application. ASM is a great object oriented approach to building a JSON API.

A brief introduction on Rails API. Learn how to create an API application and setup the routes. This episode is paving the way for more in depth looks into Rails API.

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.

Using the Javascript Library, Signature Pad, learn how to capture user signatures and store them within your Ruby on Rails application.