Localization can be made optional for more stages.

[darkskiez]

For example the SortSam task could be modified to operate on I=/dev/stdin with
gsutil cat invoked if the path was a google cloud api.

Alternatively the google cloud bucket could be mapped as a docker volume.

This could save a few more hours of processing time for a run as this time is spent copying the data back and forth in the critical path.