Holy shit, the incus-migrate program worked really, really well. I moved my Passbolt instance from an XCP-ng VM to an Incus container in minutes.
linuxcontainers.org/incus/docs…
How to import physical or virtual machines to Incus instances
Incus provides a tool ( incus-migrate) to create an Incus instance based on an existing disk or image. You can run the tool on any Linux machine. It connects to an Incus server and creates a blank ...Incus documentation