- `ADMIN_PASSWORD`: setup a specific admin password. If not set, a random password will be generated.
- `WEB_ROOT`: setup a specific domain to point at when generating links (e.g. 'jirafeau.mydomain.com/').
- `VAR_ROOT`: setup a specific path where to place files. default: '/data'.
-- `FILE_HASH`: can be set to `md5` (default), `partial_md5` or `random`.
+- `FILE_HASH`: can be set to `md5`, `partial_md5` or `random` (default).
- `PREVIEW`: set to 1 or 0 to enable or disable preview.
- `TITLE`: set Jirafeau instance title.
- `ORGANISATION`: set organisation (in ToS).