Some of these tasks are required when you run your service in Amazon Cloud as well. It's not all free and not all by default. You'll need someone experienced with Amazon Services to set up many of these things in the Amazon cloud as well.
Also, it's not like you need everything you mention and need it immediately.
NTP clock syncing is a part of any Linux distro for the last 20 years if not more.
I don't remember that Amazon automatically locks down SSH (didn't touch AWS for 7-8 years, don't remember such a feature out of the box 8 years ago).
Rolling web app deploys with rollback can be implemented in multiple ways, depends on your app, can be quite easy in some instances. Also, it's not something that Amazon can do for you for free, you need to spend some effort on the development side anyways, doesn't matter if you deploy on Amazon or somewhere else. There's no magic bullet that makes automatic rollback free and flawless without development effort.
Also, it's not like you need everything you mention and need it immediately.
NTP clock syncing is a part of any Linux distro for the last 20 years if not more.
I don't remember that Amazon automatically locks down SSH (didn't touch AWS for 7-8 years, don't remember such a feature out of the box 8 years ago).
Rolling web app deploys with rollback can be implemented in multiple ways, depends on your app, can be quite easy in some instances. Also, it's not something that Amazon can do for you for free, you need to spend some effort on the development side anyways, doesn't matter if you deploy on Amazon or somewhere else. There's no magic bullet that makes automatic rollback free and flawless without development effort.