add DB_FILENAME

README.md

@@ -100,6 +100,7 @@ All variables are optional except `JWT_SECRET` which is required on production.
 | `DISALLOW_ANONYMOUS_LINKS` | Disable anonymous link creation | `true` | `false` |
 | `TRUST_PROXY` | If the app is running behind a proxy server like NGINX or Cloudflare and that it should get the IP address from that proxy server. If you're not using a proxy server then set this to false, otherwise users can override their IP address. | `true` | `false` |
 | `DB_CLIENT` |  Which database client to use. Supported clients: `pg` or `pg-native` for Postgres, `mysql2` for MySQL or MariaDB, `sqlite3` and `better-sqlite3` for SQLite. NOTE: `pg-native` and `sqlite3` are not installed by default, use `npm` to install them before use. | `better-sqlite3` | `pg` |
+| `DB_FILENAME` |  File path for the SQLite database. Only if you use SQLite. | `db/data` | `/var/lib/kutt/data.sqlite` |
 | `DB_HOST` | Database connection host. Only if you use Postgres or MySQL. | `localhost` | `your-db-host.com` |
 | `DB_PORT` | Database port. Only if you use Postgres or MySQL. | `5432` (Postgres) | `3306` (MySQL) |
 | `DB_NAME` | Database name. Only if you use Postgres or MySQL. | `kutt` | `mydb` |