title: How to start delayed job workers in production mode
body: <p>I was following <a href="http://railscasts.com/episodes/171-delayed-job" rel="noreferrer">railscast for delayed job</a>. Things are working perfectly on my machine. How can start delayed_job workers in production mode?</p>
  
  <p>I am using <a href="https://github.com/collectiveidea/delayed_job" rel="noreferrer">delayed_job gem,(2.1.4) </a></p>