| NC_TOOL_DIR | No | App directory to keep metadata and app related files | Defaults to current working directory. In docker maps to `/usr/app/data/` for mounting volume. | |
| NC_PUBLIC_URL | Yes | Used for sending Email invitations | Best guess from http request params | |
'The `limit` parameter used for pagination, the response collection size depends on limit value and default value is `25`. Maximum value is `1000`.',
'The `limit` parameter used for pagination, the response collection size depends on limit value with default value `25` and maximum value `1000`, which can be overridden by environment variables `DB_QUERY_LIMIT_DEFAULT` and `DB_QUERY_LIMIT_MAX` respectively.',