There is no "one-size fits all" configuration because there is a lot of "it depends" on your environment like the sizing of the VM (CPU, memory...) the number of web applications that are running on the same server and so on...
A good start would be this article on IIS best practices --> https://techcommunity.microsoft.com/t5/core-infrastructure-and-security/iis-best-practices/ba-p/1241577
hth