# Generation Hook: 005-postgres-database-replacement

> For the complete documentation index, see [llms.txt](https://deploy-preview-472--lucky-concha-f3599f.netlify.app/llms.txt).

*   Hook script: `pipeline/generate-state-005-postgres-database-replacement.sh`
*   Feature pack: `specs/005-postgres-database-replacement`

Patch-set model:

*   Parent state: `004-containerized-compose-runtime`
*   Patch path: `specs/005-postgres-database-replacement/generation/patches/0001-state-overlay.patch`
*   Patch target root: `generated/code/target-generated`

Hook flow:

1.  Generate parent state `004`.
2.  Apply state patch set (PostgreSQL runtime + service DB config deltas).
3.  Regenerate architecture docs.

Patch refresh command:

```bash
bash pipeline/create-state-patchset.sh 005-postgres-database-replacement 004-containerized-compose-runtime
```