I see. Well, I suppose you could do that with raw_exec, but then Nomad would have no ability to manage the lifecycle of the containers since it didn’t spawn them, and isn’t monitoring them.
To download your artifact you can reference this guide.
However, if you want to use Nomad, you probably do need to convert your docker-compose files to Nomad jobspecs. This post shows another user working through the same thing.
IMO, I think you are looking at a conversion project rather than a lift-and-shift project.
@DerekStrickland and the Nomad team