I mean the filesystem is going to be used somewhere of course, and everything depends on your setup / the scale of things.
My point was more that with a networked database, you can easily centralise your backing up of databases. If you are in the cloud with managed databases, the backing up is kinda solved out of the box. If you are doing it yourself or on-prem, you probably have a database cluster of some kind where backing up can be managed (which of course involves a filesystem at some point).
But if you are using sqlite, every sqlite file across your organisation needs to be backed up. You'll probably have some scripts creating the actual snapshot and then some other scripts shipping that away somewhere. Those scripts probably need to be quite bespoke for different hosting solutions. Are you going to ssh into the vm's running the apps and do the backup that way, or will you be running the backing up scripts on each vm?
Of course if you have a single VM hosting a few apps with one sqlite database each, none of this is an issue, and it might be easier in the short term than a networked database. Or even if you are operating at "scale" and treating your VM's more like pets than cattle, it's probably not going to be an issue either.
My point was more that with a networked database, you can easily centralise your backing up of databases. If you are in the cloud with managed databases, the backing up is kinda solved out of the box. If you are doing it yourself or on-prem, you probably have a database cluster of some kind where backing up can be managed (which of course involves a filesystem at some point).
But if you are using sqlite, every sqlite file across your organisation needs to be backed up. You'll probably have some scripts creating the actual snapshot and then some other scripts shipping that away somewhere. Those scripts probably need to be quite bespoke for different hosting solutions. Are you going to ssh into the vm's running the apps and do the backup that way, or will you be running the backing up scripts on each vm?
Of course if you have a single VM hosting a few apps with one sqlite database each, none of this is an issue, and it might be easier in the short term than a networked database. Or even if you are operating at "scale" and treating your VM's more like pets than cattle, it's probably not going to be an issue either.