I think a service that rents out GPU-equipped bare metal Ubuntu + Docker servers by the hour would be what I'd want to use. If they also offer a private Docker

I think a service that rents out GPU-equipped bare metal Ubuntu + Docker servers by the hour would be what I'd want to use. If they also offer a private Docker repo, fast S3-compatible storage and some pre-built images with Jupyter preinstalled, that might be the entire ML pipeline that I need.