I wasn’t actually thinking of scalability. I was thinking that Cloudflare’s Tunnel is a handy, and often free, way to make a LAN service available from outside,

I wasn’t actually thinking of scalability. I was thinking that Cloudflare’s Tunnel is a handy, and often free, way to make a LAN service available from outside, and the combination of Tunnel and Workers could make for a nice, easy to deploy, solution.