Our company have handmaid shopping service named minne (https://minne.com). It’s made by Ruby and Rails. We use Ruby with manipulation of infrastructure widely. Minne has over the 200 servers on 2 data centers. we need to deploy latest application code in short minutes. So I made 'pull deploy strategy' using capistrano, consul, stretcher. I will introduce these topics:
* How to make 'immutable infrastructure' from 'mutable infrastructure'
* How to rapidly deploy Rails application to large-scaled service.
* How to use blue-green deployment with Rails
Finally, I can deploy same code to our servers in 3 minutes completely.