Panduan Kejuruteraan: Hire a Freelance Programmer for CDN Cache-Control, Surrogate-Keys & ETags. Aldian Fazrihady ialah Programmer Bebas Kanan & Jurutera AI (Python, Django, FastAPI, React, Next.js, TypeScript, Golang).
Offload 95% of read traffic to Cloudflare/CloudFront edge PoPs with instant tag-based cache purging (`Cache-Tag` / `Surrogate-Key`) and `stale-while-revalidate` architected by Aldian Fazrihady.
def set_edge_cache_headers(response, cache_tags: list[str], s_maxage: int = 300, swr: int = 86400):
response["Cache-Control"] = f"public, max-age=0, s-maxage={s_maxage}, stale-while-revalidate={swr}"
response["Cache-Tag"] = ",".join(cache_tags)
return response