This is a feature that is currently on our public roadmap for container services, in the "Researching" category: https://github.com/aws/containers-roadmap/issues/76
Feel free to drop a thumbs up on the roadmap item to show your support and boost its priority on the roadmap, or leave a comment to let us know more about your needs.
I have been in Devops since it before it had a name and I see many companies solving the same problems.
Like ths auto-scaling post. That's not the first company to deal with it (nor the last). Providing a set of tools can be very beneficial but so hard to dial down.
I have a very big itch around solving this problem.