When you create a new library the software will automatically create the file based database (SQLite) for you.
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The file based database (SQLite) in not really meant to be used on a server. |
Select the file base database type and define the file location. Make sure to include the file name and the correct file extension (.db)
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/mnt/server/library/.config/das-element.db
Learn here how to convert you file based database (SQLite) a Postgres database.