Reliably Deploying Rails Applications: Hassle free provisioning, reliable deployment (2014)
4.0 - Quick Start - 5 Minute Server
5.0 - Anatomy of a chef solo project
5.2 - A Simple Node Definition
5.4 - Applying a node definition to a VPS
6.0 - A Template for Rails Servers
6.1 - Managing Cookbooks with Berkshelf
7.4 - Applying the sample template to a VPS
15.0 - Deploying with Capistrano
16.0 - Unicorn Configuration and Zero Downtime Deployment
17.0 - Nginx Virtualhosts and SSL