How to: Chapter 10
- [`deployments`](deployments/): A playbook that deploys a Ruby on Rails application into an environment that runs Passenger and Nginx to handle web requests.
  - [`deployments-balancer`](deployments-balancer/): A playbook that handles zero-downtime deployments to webservers running behind an HAProxy load balancer.
  - [`deployments-rolling`](deployments-rolling/): A playbook that demonstrates rolling deployments to multiple servers for a Node.js app.