It's a file is relevant. It allows you to think of it like other files:

- how do you back up a JPG? You copy it, cause it's a file

- how do you replicate it? You copy it, cause it's a file. Unless you're talking about fancy DB replication, in which case well, that's not really a thing we do with files much. You'll have to do more research. but that's cause you're trying to do non-file things to a file.

- how do you handle two different processes accessing a JPG? They both open and read the JPG. Same for SQLite. For other concerns, you're trying to do things that don't map well to files, so once again more research needed.