title: Heroku constantly change url for my heroku-redis addon
body: <p>Im using the heroku-redis addon as a message broker for my django app, which is hosted on a VPS. The problem is that Heroku constantly change de URL of the service, so my app keep crashing from time to time, when the url is changed. </p>
  
  <p>Anyone knows a way to fix this? Is there a way of getting automatically the updated URL for my  heroku-redis addon?</p>