Capistrano Recipes. Many thanks to http://railscasts.com/episodes/337-capistrano-recipes

apache_vhost.erb

<VirtualHost *:80>
  ServerName <%= domain %>
  DocumentRoot /var/www/<%= application %>/app/current/ 
  <Directory /var/www/<%= application %>/app/current/>
    AllowOverride all
    Options -MultiViews
  </Directory>
</VirtualHost>

apachevhost.rb

namespace :apachevhost do 
	desc "Setup an apache vhost"
	task :setup, roles: :web do 
		template "apache_vhost.erb", "/tmp/apache_vhost"
		run "#{sudo} mv /tmp/apache_vhost /etc/apache2/sites-available/#{application}"
		run "#{sudo} a2ensite #{application}"
		run "#{sudo} service apache2 reload"
	end
end

base.rb

def template(from, to)
  erb = File.read(File.expand_path("../templates/#{from}", __FILE__))
  put ERB.new(erb).result(binding), to
end

def set_default(name, *args, &block)
  set(name, *args, &block) unless exists?(name)
end

namespace :deploy do
  desc "Install everything onto the server"
  task :install do
    run "#{sudo} apt-get -y update"
    #run "#{sudo} apt-get -y install python-software-properties"
  end
end

deploy.rb

require "bundler/capistrano"

load "config/recipes/base"
load "config/recipes/apachevhost"

server "##.##.##.##", :web, :app, :db, primary: true

set :user, "someuser"
set :domain, "example.stagingarea.us"
set :application, "captests"
set :deploy_to, "/var/www/#{application}/app"
set :deploy_via, :remote_cache
set :use_sudo, false

set :scm, "git"
set :repository, "git@github.com:alnutile/#{application}.git"
set :branch, "master"

default_run_options[:pty] = true
ssh_options[:forward_agent] = true

after "deploy", "deploy:cleanup" # keep only the last 5 releases