

You can expose your stuff to the internet, that’s not inherently frivolous, but it increases your attack surface. If you use cloudflared, you can tunnel it through cloudflared, which helps not publicly exposing your IP (but your services are still publicly exposed). You might be able to use cloudflared together with gluetun, but I prefer having the reverse proxy and cloudflared outside of the gluetun network.

$200/card? What are those, legitimate western numbers?/s You can find “2TB” SD cards on AliExpress/etc for $3. Increasing the capacity to 1PT shouldn’t be much more than a minor change in the firmware.