check has before add

composer.json

@@ -15,6 +15,7 @@
     ],
     "minimum-stability": "stable",
     "require": {
+        "potter/container": ">=0.0.1",
         "psr/container": ">=2.0.2",
         "symfony/console": ">=8.1.4",
         "symfony/deprecation-contracts": ">=3.7.1",

src/Potter/Console/Behaviour.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Console;
+
+use \Potter\Container;
+
+trait Behaviour 
+{
+    private static function addConsoleBehaviour(Container $container): void
+    {
+        self::addConsoleLogger($container);
+    }
+    
+    private static function addConsoleLogger(Container $container): void
+    {
+        if ($container->has(Logger::class)) {
+            return;
+        }
+        self::addConsoleOutput($container);
+        $container->addShared(Logger::class)
+            ->addArgument(Output::class);
+    }
+            
+    private static function addConsoleOutput(Container $container): void
+    {
+        if ($container->has(Output::class)) {
+            return;
+        }
+        $container->addShared(Output::class)
+            ->addArgument(Output::VERBOSITY_VERY_VERBOSE);
+    }
+}