Stop browsers serving stale docs by forcing revalidation

2026-06-18 12:19:42 +07:00
parent a4fe2a7b3a
commit 77a18df257
1 changed files with 5 additions and 0 deletions
@@ -30,6 +30,11 @@ in
    enable = true;
    virtualHosts.":${toString port}".extraConfig = ''
      root * ${site}
+      # mdBook doesn't fingerprint asset filenames, so a browser left to its own
+      # heuristics caches the HTML and serves stale docs after a redeploy. Force a
+      # conditional request on every load; file_server's ETag/Last-Modified makes
+      # the unchanged case a cheap 304 over the mesh.
+      header Cache-Control "no-cache"
      file_server
    '';
  };