I think the biggest change is that as long as I follow a set of best practices, I never have to worry about performance. It's always good enough. I can spin up

I think the biggest change is that as long as I follow a set of best practices, I never have to worry about performance. It's always good enough. I can spin up 5 docker containers with a copy of my program running in each, on my 4 year old laptop, and performance is still not an issue.