Database Storage
Anchore stores all metadata in a structured format in a PostgreSQL database to support API operations and searches.
Examples of data persisted in the database:
- Image metadata (distro, version, layer counts, …)
- Image digests to tag mapping (docker.io/nginx:latest is hash sha256:abcd at time t)
- Image analysis content indexed for policy evaluation (files, packages, ..)
- Feed data
- vulnerability info
- package info from upstream (gem/npm)
- Accounts, users…
- …
If the object store is not explicitly set to an external provider, then that data is also persisted in the database but can be migrated
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Last modified December 24, 2020: Remove engine docs now that they are on engine.anchore.io (#258) (826e449)