If you are a Business Plan subscriber you can download full backups of your Nocobase database and uploaded files with your backup URL.
Example backup URL: https://nocobase.host/backup.php?API_KEY=nbXX&API_SECRET=d5h58ca9f79643a19a3gF124bgl6f14d52
where the API_KEY and API_SECRET has been sent to your registered email address at the time of your subscription to the Business Plan service.
The downloaded zip file contains the uploaded files saved to your storage folder and MySQL database dump of your Nocobase instance. You can restore these in your own server by following the Nocobase installation guide at https://docs.nocobase.com/welcome/getting-started/installation