I think I heared that lan-only mode means you need to transfer the files to print via SD card.
I think I heared that lan-only mode means you need to transfer the files to print via SD card.
Go with one of the ready to use systems. Flatpak, Snap, AppImage. Snap is largely Ubuntu Ecosystem, Flatpak is independent. AppImage is an option if you do not need/want a Sandbox.
Stay away from Docker and LXC for this use case (graphical applications), they are much more work to get going.
Nice. Have fun with it!