how to user docker-compose in rancher?

Im using docker-compose.yml for installing postgres using postgres image and asp.net core webapi in two different containers.I want to deploy the app to Rancher,not sure how do I use docker-compose.yml ?

Do I have to use rancher-compose.yml,if so how do I create rancher-compose?

Please help.

Thanks in Advance

Source: StackOverflow