Decentralized consensus does not solve data immutability. The append-only feature in Blockchain does that. So, you only need an append-only DB, without any form of decentralization, to do the same job.
138 karma · joined September 11, 2014
But if there is secured, isolated container, we won't need the VM nor the scheduler, the container becomes the hosting platform, aka EC2, DO.
Also, it is more of a VPS or IaaS, not have to be CaaS or Microservices.
However, check out hyper.sh, the project uses hypervisors to run Docker images, which completely eliminates the need of guest OS, making the whole stack immutable while just offering the hypervisor-level isolation.
In my opinion, Hyper is the way to go, instead of the minimalist guest OS distro.
Given this, it actually makes sense to combine VM with Docker, check out www.hyper.sh