/dev contains a docker-compose file which maps local directory as a shared volume (between host/container) for interactive development and testing.

/cpu contains docker-compose files for non-GPU single machine deployments on Linode, AWS, GCP etc.

/gpu contains docker-compose files for single machine with 1/2/4 GPU deployments on GCP & AWS etc.

/kube contains files used for a scalable GKE + GCS setup, with both GPU and non-GPU node pools supported.

/test_rfs contains docker-compose file for testing cloud fs (s3 or gs) for sync between containers that don't share a volume.