They open sourced the entire deployment apparatus that they built to do all of this - it is simple to use. They'll have no issues maintaining it or finding new

They open sourced the entire deployment apparatus that they built to do all of this - it is simple to use. They'll have no issues maintaining it or finding new people if/when needed. And, if you bothered reading, there's significant annual savings, into perpetuity. Because aws is a racket.