Véase

• Heroku: Getting Started with Ruby on Heroku
• SitePoint: Get Started with Sinatra on Heroku by Jagadish Thaker. Published August 12, 2013
• Deploying Rack-based Apps
• Heroku: List of Published Articles for Ruby
• Foreman
  1. Introducing Foreman by David Dollar
  2. Foreman man pages
  3. Applying the Unix Process Model to Web Apps by Adam Wiggins
• Ruby Kickstart - Session 6 de Joshua Cheek (Vimeo)
• sinatra-rock-paper-scissors
• The Procfile is your friend 13 January, 2012. Neil Middleton