diff --git a/nixos/modules/services/web-apps/zabbix.nix b/nixos/modules/services/web-apps/zabbix.nix
index cffec617c73f..3463148b30e0 100644
--- a/nixos/modules/services/web-apps/zabbix.nix
+++ b/nixos/modules/services/web-apps/zabbix.nix
@@ -1,9 +1,31 @@
-{ config, lib, options, pkgs, ... }:
+{
+  config,
+  lib,
+  options,
+  pkgs,
+  ...
+}:
 
 let
 
-  inherit (lib) mkDefault mkEnableOption mkPackageOption mkRenamedOptionModule mkForce mkIf mkMerge mkOption types;
-  inherit (lib) literalExpression mapAttrs optionalString optionals versionAtLeast;
+  inherit (lib)
+    mkDefault
+    mkEnableOption
+    mkPackageOption
+    mkRenamedOptionModule
+    mkForce
+    mkIf
+    mkMerge
+    mkOption
+    types
+    ;
+  inherit (lib)
+    literalExpression
+    mapAttrs
+    optionalString
+    optionals
+    versionAtLeast
+    ;
 
   cfg = config.services.zabbixWeb;
   opt = options.services.zabbixWeb;
@@ -17,13 +39,25 @@ let
     <?php
     // Zabbix GUI configuration file.
     global $DB;
-    $DB['TYPE'] = '${ { mysql = "MYSQL"; pgsql = "POSTGRESQL"; oracle = "ORACLE"; }.${cfg.database.type} }';
+    $DB['TYPE'] = '${
+      {
+        mysql = "MYSQL";
+        pgsql = "POSTGRESQL";
+        oracle = "ORACLE";
+      }
+      .${cfg.database.type}
+    }';
     $DB['SERVER'] = '${cfg.database.host}';
     $DB['PORT'] = '${toString cfg.database.port}';
     $DB['DATABASE'] = '${cfg.database.name}';
     $DB['USER'] = '${cfg.database.user}';
     # NOTE: file_get_contents adds newline at the end of returned string
-    $DB['PASSWORD'] = ${if cfg.database.passwordFile != null then "trim(file_get_contents('${cfg.database.passwordFile}'), \"\\r\\n\")" else "''"};
+    $DB['PASSWORD'] = ${
+      if cfg.database.passwordFile != null then
+        "trim(file_get_contents('${cfg.database.passwordFile}'), \"\\r\\n\")"
+      else
+        "''"
+    };
     // Schema name. Used for IBM DB2 and PostgreSQL.
     $DB['SCHEMA'] = ''';
     $ZBX_SERVER = '${cfg.server.address}';
@@ -33,12 +67,22 @@ let
 
     ${cfg.extraConfig}
   '';
-
 in
 {
   imports = [
-  (mkRenamedOptionModule
-      [ "services" "zabbixWeb" "virtualHost" ] [ "services" "zabbixWeb" "httpd" "virtualHost" ])
+    (mkRenamedOptionModule
+      [
+        "services"
+        "zabbixWeb"
+        "virtualHost"
+      ]
+      [
+        "services"
+        "zabbixWeb"
+        "httpd"
+        "virtualHost"
+      ]
+    )
   ];
   # interface
 
@@ -46,7 +90,10 @@ in
     zabbixWeb = {
       enable = mkEnableOption "the Zabbix web interface";
 
-      package = mkPackageOption pkgs [ "zabbix" "web" ] { };
+      package = mkPackageOption pkgs [
+        "zabbix"
+        "web"
+      ] { };
 
       server = {
         port = mkOption {
@@ -64,7 +111,11 @@ in
 
       database = {
         type = mkOption {
-          type = types.enum [ "mysql" "pgsql" "oracle" ];
+          type = types.enum [
+            "mysql"
+            "pgsql"
+            "oracle"
+          ];
           example = "mysql";
           default = "pgsql";
           description = "Database engine to use.";
@@ -79,9 +130,12 @@ in
         port = mkOption {
           type = types.port;
           default =
-            if cfg.database.type == "mysql" then config.services.mysql.port
-            else if cfg.database.type == "pgsql" then config.services.postgresql.settings.port
-            else 1521;
+            if cfg.database.type == "mysql" then
+              config.services.mysql.port
+            else if cfg.database.type == "pgsql" then
+              config.services.postgresql.settings.port
+            else
+              1521;
           defaultText = literalExpression ''
             if config.${opt.database.type} == "mysql" then config.${options.services.mysql.port}
             else if config.${opt.database.type} == "pgsql" then config.services.postgresql.settings.port
@@ -148,9 +202,9 @@ in
       };
 
       hostname = mkOption {
-          type = types.str;
-          default = "zabbix.local";
-          description = "Hostname for either nginx or httpd.";
+        type = types.str;
+        default = "zabbix.local";
+        description = "Hostname for either nginx or httpd.";
       };
 
       nginx.virtualHost = mkOption {
@@ -170,7 +224,13 @@ in
       };
 
       poolConfig = mkOption {
-        type = with types; attrsOf (oneOf [ str int bool ]);
+        type =
+          with types;
+          attrsOf (oneOf [
+            str
+            int
+            bool
+          ]);
         default = {
           "pm" = "dynamic";
           "pm.max_children" = 32;
@@ -191,7 +251,6 @@ in
           Additional configuration to be copied verbatim into {file}`zabbix.conf.php`.
         '';
       };
-
     };
   };
 
@@ -199,16 +258,23 @@ in
 
   config = mkIf cfg.enable {
 
-    services.zabbixWeb.extraConfig = optionalString ((versionAtLeast config.system.stateVersion "20.09") && (versionAtLeast cfg.package.version "5.0.0")) ''
-      $DB['DOUBLE_IEEE754'] = 'true';
-    '';
+    services.zabbixWeb.extraConfig =
+      optionalString
+        (
+          (versionAtLeast config.system.stateVersion "20.09") && (versionAtLeast cfg.package.version "5.0.0")
+        )
+        ''
+          $DB['DOUBLE_IEEE754'] = 'true';
+        '';
 
-    systemd.tmpfiles.rules = [
-      "d '${stateDir}' 0750 ${user} ${group} - -" ] ++ optionals (cfg.frontend == "httpd") [
-      "d '${stateDir}/session' 0750 ${user} ${config.services.httpd.group} - -"
-    ] ++ optionals (cfg.frontend == "nginx") [
-      "d '${stateDir}/session' 0750 ${user} ${config.services.nginx.group} - -"
-    ];
+    systemd.tmpfiles.rules =
+      [ "d '${stateDir}' 0750 ${user} ${group} - -" ]
+      ++ optionals (cfg.frontend == "httpd") [
+        "d '${stateDir}/session' 0750 ${user} ${config.services.httpd.group} - -"
+      ]
+      ++ optionals (cfg.frontend == "nginx") [
+        "d '${stateDir}/session' 0750 ${user} ${config.services.nginx.group} - -"
+      ];
 
     services.phpfpm.pools.zabbix = {
       inherit user;
@@ -226,15 +292,19 @@ in
           always_populate_raw_post_data = -1
           # https://bbs.archlinux.org/viewtopic.php?pid=1745214#p1745214
           session.save_path = ${stateDir}/session
-        '' + optionalString (config.time.timeZone != null) ''
+        ''
+        + optionalString (config.time.timeZone != null) ''
           date.timezone = "${config.time.timeZone}"
-        '' + optionalString (cfg.database.type == "oracle") ''
+        ''
+        + optionalString (cfg.database.type == "oracle") ''
           extension=${pkgs.phpPackages.oci8}/lib/php/extensions/oci8.so
         '';
       phpEnv.ZABBIX_CONFIG = "${zabbixConfig}";
       settings = {
-        "listen.owner" = if cfg.frontend == "httpd" then config.services.httpd.user else config.services.nginx.user;
-        "listen.group" = if cfg.frontend == "httpd" then config.services.httpd.group else config.services.nginx.group;
+        "listen.owner" =
+          if cfg.frontend == "httpd" then config.services.httpd.user else config.services.nginx.user;
+        "listen.group" =
+          if cfg.frontend == "httpd" then config.services.httpd.group else config.services.nginx.group;
       } // cfg.poolConfig;
     };
 
@@ -258,7 +328,8 @@ in
               DirectoryIndex index.php
             </Directory>
           '';
-      } ];
+        }
+      ];
     };
 
     services.nginx = mkIf (cfg.frontend == "nginx") {
@@ -266,17 +337,17 @@ in
       virtualHosts.${cfg.hostname} = mkMerge [
         cfg.nginx.virtualHost
         {
-              root = mkForce "${cfg.package}/share/zabbix";
-              locations."/" = {
-                index = "index.html index.htm index.php";
-                tryFiles = "$uri $uri/ =404";
-              };
-              locations."~ \.php$".extraConfig = ''
-                fastcgi_pass  unix:${fpm.socket};
-                fastcgi_index index.php;
-              '';
-            }
-        ];
+          root = mkForce "${cfg.package}/share/zabbix";
+          locations."/" = {
+            index = "index.html index.htm index.php";
+            tryFiles = "$uri $uri/ =404";
+          };
+          locations."~ \.php$".extraConfig = ''
+            fastcgi_pass  unix:${fpm.socket};
+            fastcgi_index index.php;
+          '';
+        }
+      ];
     };
 
     users.users.${user} = mapAttrs (name: mkDefault) {
@@ -285,9 +356,6 @@ in
       inherit group;
     };
 
-    users.groups.${group} = mapAttrs (name: mkDefault) {
-      gid = config.ids.gids.zabbix;
-    };
-
+    users.groups.${group} = mapAttrs (name: mkDefault) { gid = config.ids.gids.zabbix; };
   };
 }