I actually think Beanstalk/Cloud Run/friends are fine. I should have specified that Functions as a Service is the main mess I think people should be avoiding.

I actually think Beanstalk/Cloud Run/friends are fine. I should have specified that Functions as a Service is the main mess I think people should be avoiding. If Beanstalk + ELB + RDS or whatever is getting you by just fine then by all means. It's super easy to port that to k8s whenever you end up needing what it does, which might be never if your money/business scales well vs infra complexity.