Are you definitely tied to the form factor? Because for $20 more you can get a much more capable mini PC.

Networking two machines is easy; networking several with good onboarding and DNS is not as easy.

Tailscale is a nice way to set up a private network between your machines. It’s perfectly fine.

🫂

You can also configure pict-rs to run on object storage so that all your users’ images are stored on S3 rather than your local disk.

I use Porkbun with Gmail and ForwardEmail.net. They do a great job.