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SnapOtter/apps/docs/guide/database.md
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# Database
Stirling Image uses SQLite with [Drizzle ORM](https://orm.drizzle.team/) for data persistence. The schema is defined in `apps/api/src/db/schema.ts`.
The database file lives at the path set by `DB_PATH` (defaults to `./data/stirling.db`). In Docker, mount the `/data` volume to persist it across container restarts.
## Tables
### users
Stores user accounts. Created automatically on first run from `DEFAULT_USERNAME` and `DEFAULT_PASSWORD`.
| Column | Type | Notes |
|---|---|---|
| `id` | integer | Primary key, auto-increment |
| `username` | text | Unique, required |
| `passwordHash` | text | bcrypt hash |
| `role` | text | `admin` or `user` |
| `mustChangePassword` | integer | Boolean flag for forced password reset |
| `createdAt` | text | ISO timestamp |
| `updatedAt` | text | ISO timestamp |
### sessions
Active login sessions. Each row ties a session token to a user.
| Column | Type | Notes |
|---|---|---|
| `id` | text | Primary key (session token) |
| `userId` | integer | Foreign key to `users.id` |
| `expiresAt` | text | ISO timestamp |
| `createdAt` | text | ISO timestamp |
### api_keys
API keys for programmatic access. The raw key is shown once on creation; only the hash is stored.
| Column | Type | Notes |
|---|---|---|
| `id` | integer | Primary key, auto-increment |
| `userId` | integer | Foreign key to `users.id` |
| `keyHash` | text | SHA-256 hash of the key |
| `name` | text | User-provided label |
| `createdAt` | text | ISO timestamp |
| `lastUsedAt` | text | Updated on each authenticated request |
Keys are prefixed with `si_` followed by 96 hex characters (48 random bytes).
### pipelines
Saved tool chains that users create in the UI.
| Column | Type | Notes |
|---|---|---|
| `id` | integer | Primary key, auto-increment |
| `name` | text | Pipeline name |
| `description` | text | Optional description |
| `steps` | text | JSON array of `{ toolId, settings }` objects |
| `createdAt` | text | ISO timestamp |
### jobs
Tracks processing jobs for progress reporting and cleanup.
| Column | Type | Notes |
|---|---|---|
| `id` | text | Primary key (UUID) |
| `type` | text | Tool or pipeline identifier |
| `status` | text | `queued`, `processing`, `completed`, or `failed` |
| `progress` | integer | 0-100 percentage |
| `inputFiles` | text | JSON array of input file paths |
| `outputPath` | text | Path to the result file |
| `settings` | text | JSON of the tool settings used |
| `error` | text | Error message if failed |
| `createdAt` | text | ISO timestamp |
| `completedAt` | text | ISO timestamp |
### settings
Key-value store for server-wide settings that admins can change from the UI.
| Column | Type | Notes |
|---|---|---|
| `key` | text | Primary key |
| `value` | text | Setting value |
| `updatedAt` | text | ISO timestamp |
## Migrations
Drizzle handles schema migrations. The config is in `apps/api/drizzle.config.ts`. During development, run:
```bash
pnpm --filter @stirling-image/api drizzle-kit push
```
In production, the schema is applied automatically on startup.