NFS Share inside VM: Avoid backing up?

I have Nextcloud inside a VM.

I have a zfs dataset on a NAS that houses various software (isos, some php stuff I wrote, etc).

I want to map that zfs dataset inside my Nextcloud VM, so users can access the software files from Nextcloud.

I have regular backups of the entire Nextcloud VM, but I don't want to backup the zfs dataset (it's backed up via FreeNAS, itself).

What's the best way to share the zfs dataset (that has my iso files, etc) without having Proxmox backup that data...

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