I looked at NUCs and settled for a used ThinkPad. Integrated keyboard, monitor, mouse and battery, and potentially even more judicious with power consumption,

I looked at NUCs and settled for a used ThinkPad. Integrated keyboard, monitor, mouse and battery, and potentially even more judicious with power consumption, but oomphy enough to run image recognition on my photo collection while hosting lots of dockers. Backup to a local NAS that I only switch on during the backup window, and backup remotely to backblaze B2.