Perhaps something like the Beaker Browser P2P website system? https://beakerbrowser.com/ https://beakerbrowser.com/ I've run some internal-facing websites on a

Perhaps something like the Beaker Browser P2P website system? https://beakerbrowser.com/ https://beakerbrowser.com/ I've run some internal-facing websites on a Raspberry Pi, also a low-cost system, but have never tried publishing them on the wider web.