None of these features are a function of docker, they are a function of the orchestration layer. bin-packing isn't what you describe, its shoving as much stuff

None of these features are a function of docker, they are a function of the orchestration layer. bin-packing isn't what you describe, its shoving as much stuff on a machine as possible. Proper resource dependencies management allows what you describe, something k8s is weak on compared to other orchestration systems.