diff --git a/composer.json b/composer.json
index e1ca3c7..402ecf5 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,7 @@
         "psr/log": "^3.0.2"
     },
     "require-dev": {
+        "boundwize/structarmed": "^0.19",
         "laminas/laminas-coding-standard": "^3.0",
         "phpstan/phpstan": "^2.1",
         "phpstan/phpstan-phpunit": "^2.0",
diff --git a/src/Logger.php b/src/Logger.php
index 6e2b5fa..b47cc69 100644
--- a/src/Logger.php
+++ b/src/Logger.php
@@ -423,7 +423,7 @@ public static function registerErrorHandler(Logger $logger, bool $continueNative
         $errorLevelMap = static::$errorLevelMap;
 
         $previous = set_error_handler(
-            function ($level, $message, $file, $line) use ($logger, $errorLevelMap, $continueNativeHandler) {
+            static function ($level, $message, $file, $line) use ($logger, $errorLevelMap, $continueNativeHandler) {
                 $iniLevel = error_reporting();
 
                 if ($iniLevel & $level) {
@@ -467,7 +467,7 @@ public static function registerFatalErrorShutdownFunction(Logger $logger): bool
 
         $errorLevelMap = static::$errorLevelMap;
 
-        register_shutdown_function(function () use ($logger, $errorLevelMap) {
+        register_shutdown_function(static function () use ($logger, $errorLevelMap) {
             $error = error_get_last();
 
             if (
@@ -517,7 +517,7 @@ public static function registerExceptionHandler(Logger $logger): bool
 
         $errorLevelMap = static::$errorLevelMap;
 
-        set_exception_handler(function ($exception) use ($logger, $errorLevelMap) {
+        set_exception_handler(static function ($exception) use ($logger, $errorLevelMap) {
             $logMessages = [];
 
             do {
diff --git a/structarmed.php b/structarmed.php
new file mode 100644
index 0000000..c49a222
--- /dev/null
+++ b/structarmed.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+use Boundwize\StructArmed\Architecture;
+use Boundwize\StructArmed\Preset\Preset;
+
+return Architecture::define()
+    ->withPresets(Preset::PSR4(), Preset::CODEQUALITY())
+
+    ->layer('Log', [
+        'src/ConfigProvider.php',
+        'src/Logger.php',
+        'src/LoggerServiceFactory.php',
+    ])
+    ->layer('Exception', 'src/Exception/')
+    ->layer('Factory', 'src/Factory/')
+    ->layer('Filter', 'src/Filter/')
+    ->layer('Formatter', 'src/Formatter/')
+    ->layer('Manager', 'src/Manager/')
+    ->layer('Processor', 'src/Processor/')
+    ->layer('Writer', 'src/Writer/')
+    ->ruleset([
+        'Exception' => [],
+        'Processor' => [],
+        'Filter'    => ['Exception'],
+        'Formatter' => ['Exception'],
+        'Writer'    => ['+Filter', '+Formatter', 'Manager'],
+        'Manager'   => ['+Writer', 'Processor', 'Factory'],
+        'Factory'   => ['+Log'],
+        'Log'       => ['+Manager'],
+    ]);
diff --git a/test/LoggerTest.php b/test/LoggerTest.php
index 7e9bb12..9651332 100644
--- a/test/LoggerTest.php
+++ b/test/LoggerTest.php
@@ -168,7 +168,7 @@ public function hello(): string
             },
             'placeholder4'  => ['array' => 'placeholder4'],
             'placeholder5'  => 5.5,
-            'placeholder6'  => fn($arg1, $arg2) => $arg1 + $arg2,
+            'placeholder6'  => static fn($arg1, $arg2) => $arg1 + $arg2,
         ];
 
         $writer = new Mock();
@@ -398,7 +398,7 @@ public function testExceptionHandler(): void
         $this->assertFalse(Logger::registerExceptionHandler($this->subject));
 
         // get the internal exception handler
-        $exceptionHandler = set_exception_handler(function ($e) {
+        $exceptionHandler = set_exception_handler(static function ($e) {
         });
         set_exception_handler($exceptionHandler);