Currently doing that. Migrating from a raspberry pi 4.

Here is the plan:

Use the ASROCK N100DC-ITX motherboard+CPU for low power usage but enough power for a snappy web server. Add 32GB ram and 2tb m.2 ssd as well as 4+7tb external usb storage.

Install windows 11 as root OS and use windows subsystem for linux with ubuntu for any webservices, install those using docker inside cosmos. This way the device can be used to play simple 2d games via steam yet be used for plex and web services such as bookstack and kavita.

emulation-js is self hosted and runs in the browser