yes it is, I bet it will remain the same for ages…
I have no idea how it works with “plain” setup - I started with Docker and in my eyes this is the best way to go. If you are not familiar with Docker it’s little hard to start but it’s worth because of huge flexibility (e.g. I’m running 2 instances - one “production” and one to test/play). I’ll try to help you with some docs…
I would say this is the point where you configure the data directory:
Configure Nextcloud
Browse to the Nextcloud server in your browser, and update the configuration to match the database info you’ve used earlier.
at least official installation guide shows this dialog , accessible through [Storage & database] drop-down menu:
here you can change the data directory on fresh installation…