Daemonize background process in Rails

background_control.rb

#!/usr/bin/env ruby
 
#
# Usage: ruby background_control.rb [start|stop|restart]
#

require 'rubygems'
require 'daemons'

background_file = File.join(File.dirname(__FILE__), 'lib', 'background.rb')
pid_directory = File.join(File.dirname(__FILE__), 'tmp', 'pids')

Daemons.run(background_file, { :app_name => 'background', :dir_mode => :normal, :dir => pid_directory, :backtrace => true })