Serving a Website from a 1 GB Pi 4B on Home WiFi

I have a Raspberry Pi 4B at home on WiFi, and it serves a public website. It is a Rev 1.5 board with 4x Cortex-A72 at 1.8 GHz, 1 GB of RAM, a 64 GB microSD card and Debian 13 (trixie). Nothing is forwarded on my router, no ports are open, and my home IP address is never published. The page is live at pi.deepakness.com, and it is about the machine serving it. You get live readings for CPU, memory, temperature, disk, network and WiFi signal, an hour of history, an availability record with the state of every service, the home connection measured four times a day, and how many people are reading right now. The path from the internet to the Pi The Pi sits on my home WiFi as a normal client. Caddy serves the site files on 127.0.0.1:8080, which exists only inside the Pi. A Cloudflare Tunnel dials out to Cloudflare and holds that connection open. Cloudflare publishes the local address as a subdomain of mine, with TLS handled at the edge. Caddy listens on localhost only, so nothing on my…