config.ru

require 'rubygems'
require 'vendor/sinatra/lib/sinatra.rb'

set :public, File.expand_path(File.dirname(__FILE__) + '/public') # Include your public folder
set :views, File.expand_path(File.dirname(__FILE__) + '/views')  # Include the views

set :environment, :production

disable :run, :reload

require 'app_file' # replace this with your sinatra app file
run Sinatra::Application

deploy.rb

set :domain, "yourdomain.com"
set :application, "app_name"
set :deploy_to, "/var/www/apps/#{domain}"

set :user, "your_deploy_user"
set :use_sudo, false

set :scm, :git
set :repository,  "git@github.com:you/application.git"
set :branch, 'master'
set :git_shallow_clone, 1

role :web, domain
role :app, domain
role :db,  domain, :primary => true

set :deploy_via, :remote_cache

namespace :deploy do
  task :start do ; end
  task :stop do ; end
  # Assumes you are using Passenger
  task :restart, :roles => :app, :except => { :no_release => true } do
    run "#{try_sudo} touch #{File.join(current_path,'tmp','restart.txt')}"
  end

  task :finalize_update, :except => { :no_release => true } do
    run "chmod -R g+w #{latest_release}" if fetch(:group_writable, true)

    # mkdir -p is making sure that the directories are there for some SCM's that don't save empty folders
    run <<-CMD
      rm -rf #{latest_release}/log &&
      mkdir -p #{latest_release}/public &&
      mkdir -p #{latest_release}/tmp &&
      ln -s #{shared_path}/log #{latest_release}/log
    CMD

    if fetch(:normalize_asset_timestamps, true)
      stamp = Time.now.utc.strftime("%Y%m%d%H%M.%S")
      asset_paths = %w(images css).map { |p| "#{latest_release}/public/#{p}" }.join(" ")
      run "find #{asset_paths} -exec touch -t #{stamp} {} ';'; true", :env => { "TZ" => "UTC" }
    end
  end
end

deploy.sh

cap deploy:setup
cap deploy

vendor.sh

mkdir vendor
cd vendor
gem unpack sinatra
mv sinatra-* sinatra