Merge pull request #213874 from SuperSandro2000/nginx-zstd

nixos/nginx: add recommendedZstdSettings

nixos/modules/services/web-servers/nginx/default.nix

@@ -184,8 +184,8 @@ let
         brotli_types ${lib.concatStringsSep " " compressMimeTypes};
       ''}
 
-      # https://docs.nginx.com/nginx/admin-guide/web-server/compression/
       ${optionalString cfg.recommendedGzipSettings ''
+        # https://docs.nginx.com/nginx/admin-guide/web-server/compression/
         gzip on;
         gzip_static on;
         gzip_vary on;
@@ -195,6 +195,14 @@ let
         gzip_types ${lib.concatStringsSep " " compressMimeTypes};
       ''}
 
+      ${optionalString cfg.recommendedZstdSettings ''
+        zstd on;
+        zstd_comp_level 9;
+        zstd_min_length 256;
+        zstd_static on;
+        zstd_types ${lib.concatStringsSep " " compressMimeTypes};
+      ''}
+
       ${optionalString cfg.recommendedProxySettings ''
         proxy_redirect          off;
         proxy_connect_timeout   ${cfg.proxyTimeout};
@@ -490,6 +498,16 @@ in
         '';
       };
 
+      recommendedZstdSettings = mkOption {
+        default = false;
+        type = types.bool;
+        description = lib.mdDoc ''
+          Enable recommended zstd settings. Learn more about compression in Zstd format [here](https://github.com/tokers/zstd-nginx-module).
+
+          This adds `pkgs.nginxModules.zstd` to `services.nginx.additionalModules`.
+        '';
+      };
+
       proxyTimeout = mkOption {
         type = types.str;
         default = "60s";
@@ -1015,7 +1033,8 @@ in
       groups = config.users.groups;
     }) dependentCertNames;
 
-    services.nginx.additionalModules = optional cfg.recommendedBrotliSettings pkgs.nginxModules.brotli;
+    services.nginx.additionalModules = optional cfg.recommendedBrotliSettings pkgs.nginxModules.brotli
+      ++ lib.optional cfg.recommendedZstdSettings pkgs.nginxModules.zstd;
 
     systemd.services.nginx = {
       description = "Nginx Web Server";