How to configure cachet queue in docker

Hey guys,

I am new to cachet and I am trying to set up cachet queue in docker for making my application faster when there are multiple subscribers for sending email. According to the document

"Cachet uses a queue to send Configuring Mail and Beacons without slowing down the rest of the application. This can be setup in a variety of ways."

I have not found any document for doing this. Can someone help in figuring this out. I set up my status page with queue as Database

Thanks,

Vignesh