# Scanner

## Purpose
Generate deterministic SBOMs, diffs, and reachability evidence.

## Inputs
- Image digest or SBOM
- Analyzer manifests and config

## Outputs
- SBOM inventory and usage views
- Diffs and reports
- Reachability graphs

## Data and storage
- RustFS for artifacts
- PostgreSQL for metadata
- Valkey for queues

## Key dependencies
- RustFS
- PostgreSQL
- Valkey

## Notes and boundaries
- Does not decide pass or fail

## Related docs
- docs/modules/scanner/architecture.md