Edge and Routing
Cloudflare handles DNS and edge caching. Inbound traffic is routed through Caddy with HTTPS and HTTP/3 support.
System Architecture
An overview of hardware, routing, and software powering this site.
The Stack
Origin
Static and SSR output are served from a Raspberry Pi 5 origin with reverse proxy hardening and strict headers.
Hardware Specifications
| Machine | Raspberry Pi 5 |
|---|---|
| Architecture | 64-bit ARM Cortex-A76 (Quad-core @ 2.4GHz) |
| Memory | 8GB LPDDR4X + 8GB Swap |
| Storage | 500GB NVMe SSD |
| Operating System | Debian / Raspberry Pi OS |
Performance and Optimizations
| Rendering | Astro SSR with content-first pages and minimal client JavaScript. |
|---|---|
| Typography | System font stack to reduce layout shift and external fetches. |
| Compression | zstd/gzip compression and immutable static asset caching. |
| Security | CSP, HSTS, strict headers, and typed validation at app boundaries. |