http://blog.markfayngersh.com/2011/12/my-web-application-bootstrap.html

bootstrap.rb

#!/usr/bin/env ruby
require 'fileutils'
require 'open-uri'

def folders
  FileUtils.mkdir_p %w(public/css public/js public/img views).map {|f| "#{ARGV[0]}/#{f}" }
end

def files
  open("#{ARGV[0]}/Procfile",'w') { |f| f.write "web: bundle exec ruby web.rb -p $PORT" }
  open("#{ARGV[0]}/Gemfile",'w') { |f| f.write "source :rubygems\n\ngem 'sinatra'\ngem 'coffee-script'" }
  open("#{ARGV[0]}/web.rb",'w') { |f| f.write "require 'sinatra'\nrequire 'coffee-script'\n\nget '/' do\n\terb :index\nend\n\nget '/js/app.js' do\n\tcoffee :app\nend" }
  open("#{ARGV[0]}/views/index.erb",'w') { |f| f.write open("http://dl.dropbox.com/u/1803181/boilerplate/index.html").read }
  open("#{ARGV[0]}/public/css/reset.css",'w') { |f| f.write open("http://dl.dropbox.com/u/1803181/boilerplate/style.css").read }
  open("#{ARGV[0]}/public/js/jquery.js",'w') { |f| f.write open("http://code.jquery.com/jquery-1.7.1.min.js").read }
  open("#{ARGV[0]}/views/app.coffee",'w') { |f| f.write "$ ->\n\talert 'DOM loaded'" }
  FileUtils.touch ["#{ARGV[0]}/public/css/style.css"]
end

def deploy
  `cd "#{ARGV[0]}" && bundle install && git init && git add . && git commit -m 'init' && heroku create "#{ARGV[0]}" --stack cedar && git push heroku master`
end

folders
files
deploy if ARGV[1] == "-d"