Deploy cfg with mina

deploy.rb

require 'mina/bundler'
require 'mina/rails'
require 'mina/git'
require 'mina/rvm'

set :user, 'ubuntu'
set :domain, 'example.com'
set :deploy_to, 'path'
set :repository, 'git repository url'
set :branch, 'master'
set :ssh_options, '-A'
set :shared_paths, ['config/database.yml', 'log']

task :environment do
  invoke :'rvm:use[ruby-2.1.0@default]'
end

task :setup => :environment do
  queue! %[mkdir -p "#{deploy_to}/shared/log"]
  queue! %[chmod g+rx,u+rwx "#{deploy_to}/shared/log"]

  queue! %[mkdir -p "#{deploy_to}/shared/config"]
  queue! %[chmod g+rx,u+rwx "#{deploy_to}/shared/config"]

  queue! %[touch "#{deploy_to}/shared/config/database.yml"]
  queue  %[echo "-----> Be sure to edit 'shared/config/database.yml'."]
end

task :whenever => :environment do
  queue! %[cd "#{deploy_to}/current"]
  queue! %[whenever --write-crontab]
end

desc "Deploys the current version to the server."
task :deploy => :environment do
  deploy do
    invoke :'git:clone'
    invoke :'deploy:link_shared_paths'
    invoke :'bundle:install'
    invoke :'rails:db_migrate'
    invoke :'rails:assets_precompile'

    to :launch do
      invoke :whenever
      queue "sudo /etc/init.d/nginx restart"
      invoke :'deploy:cleanup'
    end
  end
end