srv-core: Enable searxng

hosts/srv-core/configuration.nix

@@ -71,6 +71,11 @@
         enable = true;
         domain = "home.${config.custom.networking.overlay.domain}";
       };
+
+      searxng = {
+        enable = true;
+        domain = "search.${config.custom.networking.overlay.domain}";
+      };
     };
   };
 }

modules/nixos/web-services/searxng.nix

@@ -0,0 +1,44 @@
+{ config, lib, ... }:
+let
+  cfg = config.custom.web-services.searxng;
+in
+{
+  options.custom.web-services.searxng = {
+    enable = lib.mkEnableOption "";
+    domain = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "";
+    };
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 27916;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.searx = {
+      enable = true;
+      settings = {
+        server = {
+          port = cfg.port;
+          secret_key = "unnecessary";
+        };
+        ui.center_alignment = true;
+        plugins = {
+          "searx.plugins.calculator.SXNGPlugin".active = true;
+          "searx.plugins.infinite_scroll.SXNGPlugin".active = true;
+          "searx.plugins.self_info.SXNGPlugin".active = true;
+        };
+      };
+    };
+
+    custom = {
+      services.caddy.virtualHosts.${cfg.domain}.port = cfg.port;
+
+      meta.sites.${cfg.domain} = {
+        title = "SearXNG";
+        icon = "sh:searxng";
+      };
+    };
+  };
+}