# Dockhand — GPU Lab stacks

| Dockhand env | ID | Docker host | Stacks |
|--------------|-----|-------------|--------|
| GPU-Dev | 8 | 10.0.20.106:2375 | gpu-lab-vllm-legacy, gpu-lab-vllm-modern, gpu-lab-sglang |
| Spark+Trino / Lakehouse | 9 | 10.0.21.50 | lakehouse-spark-trino (Trino, Spark, kafka-connect, s3-kafka-consumer) |
| Airflow | 10 | 10.0.21.55 | airflow |

- Dockhand UI: http://atc-docker01.dell-atc.lan:8082/
- API stacks: `GET /api/stacks?env=8`

Only one GPU inference stack should be **running** at a time; others appear as stopped compose projects.