Redis server run on heroku

Question

I am using windows and I have deployed a Django project to heroku. This project need to run a redis server for a chatroom. I ran it perfectly on my localhost, but after I deployed it to heroku, the redis server only run in redis://127.0.0.1:6379 only. I have tried to change the redis.conf file from bind 127.0.0.1 to bind mywebsite but it doesn't work.

Thanks for all help in advance