How to setup Rails application on Heroku [Tutorial] - Nopio Blog
A gentle intro to deploy Rails application with Unicorn | by Lee | Medium
Heroku - Deploy Broken : r/rails
How To Deploy a Rails App with Puma and Nginx on Ubuntu 14.04 | DigitalOcean
GitHub - heroku/barnes: Tell StatsD about request time, GC, objects and more. Latest Rails 4 and Ruby 2.1 support, and ancient Rails 2 and Ruby 1.8 support.
Deploying To Production on Heroku with Puma (Example) | GoRails
ReactJS + Ruby on Rails API + Heroku App | by Bruno Boehm | Medium
Better Performance On Heroku: Thin vs. Unicorn vs. Puma