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Portal: Update PHOTOPRISM_DATABASE_PROVISION_DSN related docs

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Signed-off-by: Michael Mayer <michael@photoprism.app>
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Michael Mayer 2026-03-03 10:46:30 +01:00
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internal/service/cluster/provisioner/README.md
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@ -6,7 +6,7 @@ The provisioner package manages per-instance MariaDB schemas and users for clust
### Development Workflow
- Configuration lives in `database.go`. The admin connection string is `ProvisionDSN` (default `root:photoprism@tcp(mariadb:4001)/photoprism?...`). Adjust only when running against a different host or password.
- Configuration lives in `database.go`. The admin connection string is `ProvisionDSN` (default `root:photoprism@tcp(mariadb:4001)/photoprism`). Query parameters are optional when configuring the portal flag/env (`database-provision-dsn`), for example `charset=utf8mb4,utf8&collation=utf8mb4_unicode_ci&parseTime=true&timeout=15s`.
- `EnsureCredentials` accepts the technical node UUID/name identifiers, creates the schema if needed, and returns credentials plus rotation metadata. `DropCredentials` revokes grants, drops the user, and removes the schema. Both functions require a context; prefer `context.WithTimeout` in callers.
- Identifier generation is centralized in `GenerateCredentials`. Call it instead of handcrafting database or user names so tests, CLI, and API stay aligned. The resulting identifiers follow `<prefix>d<hmac11>` for schemas and `<prefix>u<hmac11>` for users. Portal deployments may override the prefix via the `database-provision-prefix` flag; defaults are `cluster_d…` / `cluster_u…`.