Why do we need Docker on the Windows Host?
While we’re admittedly not experts on the WSL (we use Macs internally), this appears to be a known limitation imposed by Microsoft. “We don’t support running the docker daemon directly in WSL. But what you can do is call in to the daemon running under Windows from WSL.” – https://blogs.technet.microsoft.com/virtualization/2017/12/08/wsl-interoperability-with-docker/