Add Firebird database support (gbak / nbackup)

[attid]

It would also be great to add Firebird support as a first-class database type. Many Firebird installations rely on gbak / nbackup for consistent backups, so having Databasement support Firebird connections and run the appropriate backup/restore workflow (including credentials, scheduling, retention, and storage targets) would make it much more useful for teams that still run Firebird in production.

[pratikrath126]

• Firebird support is a great idea! It would require adding a driver and handling gbak/nbackup commands, plus bundling the Firebird client library (fbclient). The effort is non-trivial but very valuable. If you're interested in contributing, the maintainer would likely welcome a PR. For now, you can run Firebird's own backup tools in parallel. Good luck pushing this feature forward!

[David-Crty]

Hi @attid, thanks for the suggestion!

Unfortunately, Firebird support isn't something we can easily integrate right now. Our Docker image is based on Alpine Linux, and there is no Firebird client package (gbak/nbackup/fbclient) available for Alpine.

To make this work, we would need to compile and extract the Firebird dump/restore CLI tools ourselves, which is too complex for the scope of this project at the moment.

That said, I'm open to a PR if someone has a workable solution! Here is the base Docker image that includes all the database CLI tools — you can see how we integrate other database clients there.

If anyone figures out a clean way to get gbak/nbackup running on Alpine, I'd be happy to review a contribution.

[David-Crty]

This is now done on #357 you can try it now @attid & @pratikrath126 :)