Instructions for that can be found at: www.virtualbox.org/wiki/Downloads
Add rails-up to your Gemfile
gem "rails-up", "~> 0.0.1"
Pick your components
$ rails-up help Components: rvm # Provisions Vagrant boxes with RVM for managing Rubies system-wide and per-user postgresql # Installs PostgreSQL and adds a default user "vagrant" with the password "vagrant" nginx # Installs Nginx and forwards the port to http://localhost:5678/ ...
Initialize your project
$ rails-up init rvm postgresql nginx thin
Start your engines!
$ vagrant up
Sip some coffee and wait. Visit localhost:5678/ and rejoice.