That’s the HTTP POST upload limit for 1 request

Enclosure and NVMe are cheaper than internal and probably of better quality.

Cloudflare Pages. Don’t waste money

Why not just use cloudflare pages ? Free

Can be done with simple port forwarding too

Use ufw to only allow certain ports as needed

Everyone should use Cloudflare

Just use cloudflare tunnels

Have fun using obsolete tech

So? Sell it and buy the new one