Grant a Docker Compose service access to all host GPUs
domain: docs.docker.com · 6 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checkedcommunity attestations: 0✓ / 0✗
Documented steps
Confirm the host has working GPU support: NVIDIA drivers installed and `nvidia-smi` prints device info, and the NVIDIA Container Toolkit is installed and the Docker daemon is configured for it.
In compose.yaml add a device reservation to the service under `deploy.resources.reservations.devices` with `driver: nvidia` and `capabilities: [gpu]`.
Run `docker compose up` and check the container logs / output for the GPU (nvidia-smi should list a detectable device).
When neither `count` nor `device_ids` is set, Compose grants access to ALL host GPUs by default.
Official docs: https://docs.docker.com/compose/how-tos/gpu-support/ and full property reference https://docs.docker.com/reference/compose-file/deploy/#devices
Known gotchas
The `capabilities: [gpu]` field is mandatory; omitting it makes deployment return an error.
GPU access requires the host to have GPUs AND the Docker daemon configured with the NVIDIA Container Toolkit; otherwise the service fails to start.
This grants all GPUs when unset -- restrict with count or device_ids for multi-GPU hosts.
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