From 4b9209bc97c33e68957ad3f9a76724556e814e48 Mon Sep 17 00:00:00 2001
From: RGBCube <git@rgbcu.be>
Date: Tue, 3 Jun 2025 06:23:57 +0300
Subject: [PATCH] nginx: cache headers for site

---
 modules/site.nix | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/modules/site.nix b/modules/site.nix
index 7cfd535..0e37e43 100644
--- a/modules/site.nix
+++ b/modules/site.nix
@@ -7,11 +7,25 @@ in {
   imports = [(self + /modules/nginx.nix)];
 
   services.nginx = enabled {
+    appendHttpConfig = /* nginx */ ''
+      # Cache only successful responses.
+      map $status $cache_header {
+        200     "public";
+        302     "public";
+        default "no-cache";
+      }
+    '';
+
     virtualHosts.${domain} = merge config.services.nginx.sslTemplate {
       inherit root;
 
       locations."/".tryFiles = "$uri $uri.html $uri/index.html =404";
 
+      locations."~ ^/assets/(fonts|icons|images)/".extraConfig = /* nginx */ ''
+        expires max;
+        add_header Cache-Control $cache_header always;
+      '';
+
       extraConfig = /* nginx */ ''
         error_page 404 /404.html;
       '';