Source code lives in a repo user data lives in redundant databases / storage service server setup lives in a repo via bash scripts or ansible etc (and bake th

Source code lives in a repo user data lives in redundant databases / storage service server setup lives in a repo via bash scripts or ansible etc (and bake that into an ami or container) setup your launch-configuration for your servers to setup all of the above and you can destroy and spin up servers on a whim