Separate NFS storage for user data

Hello! we are installed and testing nextcloud system.
We are installed it as a docker installation.
We need to store user data separate from the server on NFS storage.
Also it seems nextcloud using database to store some information we need to move database files also to this separate nfs storage.
please help me to find which folders should i mount to external NAS storage by NFS ?
I see in the system after installation:
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/6aa51490d71225c86146a231f9a914c8851ed0f73275783c9590f3b76082ba8f/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/38ca798bb3bcffffffdee7a823d6a110d8a4c384164c8543feea220f0a454239/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/46e2eb541d3a55e6a68fa39e37f2b709926e3f9d3ff8094cf4958a6bc7920c9d/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/555fd8efab2521ab7f30c8512fa59534936ba93829e614003280a71955741fa1/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/a2d2a294e3c3d810839641ce4bf2c79a2640ab874d34feb6ffc830e6e0997402/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/487da48b8079ebddb105a7b170ce0f2d04fde53f6fe9dd1fca1c15f0dc899266/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/9d17d5c5ab82f816b8bdfb93a0cc4e8656a4a8da5343cd820fd1172cf643473e/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/047f57a7d697231a9cf5e58fd58a2e22ab671e62fdb59f488893552c0f6b234c/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/95c35453496e429f3939100d5498fdafd1d960569211c57f83d73352c18302d3/merged
overlay 195G 9.3G 176G 6% /var/lib/docker/overlay2/7a799f9e571d12cb7f335978d2e26db0f7799d39b813b603e382c03622ecea2e/merged
Please help to know which folder should be mounted ?

You would have to reconfigure your docker setup with a mounted volume. See persistent data on the GitHub page.

By the way, the data folder that you would put on NFS is not to be accessed directly by users. If that’s your intention, it won’t end well…

I would personally suggest iSCSI if that’s also an option.