What is the best approach to reducing review fatigue for developers?

[romelBen]

I read a blog post from Doordash on how they do this through Confest and OPA; however, I am confused on terraform directory approaches.

For instance, if we have no branches but a tree hierarchy like so:

Is there a way where we can have Atlantis deploy for DEV/QA WITHOUT approval and have PROD REQUIRE an approval? (Mind you, a developer creates a PR of all their changes in one PR. Or is there a better process to this.) Would like to hear your thoughts!