In my earlier blog on Implementing extensions in NAV Development Preview using Docker there were a few complications for docker managing the container.
With the BCContainerHelper released, setting up Docker became easier. Check out the post below.

BcContainerHelper
BcContainerHelper is a PowerShell module designed to simplify the management of Business Central and Dynamics NAV containers on Docker. As a work-in-progress project, it welcomes contributions through pull requests and ideas. Comprehensive documentation is available in the NavContainerHelper.md.