+Available options:
+- `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`, `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).
+- `CONTACTPERSON`: set contact person (in ToS).
+- `STYLE`: apply a specific style.
+- `AVAILABILITY_DEFAULT`: setup which availability shows by default.
+- `ONE_TIME_DOWNLOAD`: set to 1 or 0 to enable or disable one time downloads.
+- `ENABLE_CRYPT`: set to 1 or 0 to enable or disable server side encryption.
+- `DEBUG`: set to 1 or 0 to enable or disable debug mode.
+- `MAXIMAL_UPLOAD_SIZE`: maximal file size allowed (expressed in MB).
+- `UPLOAD_PASSWORD`: set one or more passwords to access Jirafeau (separated by comma).
+- `UPLOAD_IP`: set one or more ip allowed to upload files (separated by comma).
+- `UPLOAD_IP_NO_PASSWORD`: set one or more ip allowed to upload files without password (separated by comma).
+- `PROXY_IP`: set one or more proxy ip (separated by comma).
+- `STORE_UPLOADER_IP`: set to 1 or 0 to enable or disable keeping sender's IP with the _link_ file.
+- `DOWNLOAD_PASSWORD_REQUIREMENT`: set to 'optional' (default), 'required' or 'generated' to make a password for downloading optional, required or generated
+- `DOWNLOAD_PASSWORD_GEN_LEN`: set length of generated download passwords
+- `DOWNLOAD_PASSWORD_GEN_CHARS`: set characters used for generated download passwords
+- `DOWNLOAD_PASSWORD_POLICY`: set to 'regex' to use a regular expression to check user provided download passwords for complexity constraints
+- `DOWNLOAD_PASSWORD_POLICY_REGEX`: regex to check against if password policy is set to regex
+
+Example: