How to create real-time backup for Nextcloud

How to create a Backup server for your own cloud storage Nextcloud
This video will show you how to create a backup server for your Nextcloud private storage cloud. With this approach, if the main Nextcloud server fails, the backup server will be replaced immediately. And so you can still connect to your cloud data. Until the main server is fixed, the cloud data is automatically synchronized. So your work is not interrupted even though one of the two servers is down. The data between the two servers is always synchronized in real-time
Example code download https://drive.google.com/file/d/1KvlQ...
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