| 1 | // SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | |
| 3 | package handlers |
| 4 | |
| 5 | import ( |
| 6 | "io/fs" |
| 7 | "net/http" |
| 8 | ) |
| 9 | |
| 10 | // staticFileServer serves files from the embedded static FS with sane |
| 11 | // caching headers. S02 will replace this with a content-hashed asset |
| 12 | // pipeline; S00 keeps the surface minimal. |
| 13 | func staticFileServer(staticFS fs.FS) http.Handler { |
| 14 | fileServer := http.FileServer(http.FS(staticFS)) |
| 15 | return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { |
| 16 | // Conservative caching: short TTL + must-revalidate. Long-cache |
| 17 | // behavior moves to fingerprinted URLs in S02. |
| 18 | w.Header().Set("Cache-Control", "public, max-age=300, must-revalidate") |
| 19 | fileServer.ServeHTTP(w, r) |
| 20 | }) |
| 21 | } |
| 22 |