The intention is to use the Docker image as a developer SDK rather than downloading and installing the relevant SDKs locally. For running unikernels -- that is

The intention is to use the Docker image as a developer SDK rather than downloading and installing the relevant SDKs locally. For running unikernels -- that is a task left to the user. There is a plethora of information publicly available for working with hypervisors (eg: Hyper-V, Xen, etc), and, as mentioned by other commenters, Docker does not run unikernels.