From f15caa9c7f4ebd52389b81fd8a52a438b3328547 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9gory=20PLANCHAT?=
 <gplanchat@users.noreply.github.com>
Date: Thu, 1 Feb 2024 10:58:25 +0100
Subject: [PATCH] Apply suggestions from code review

---
 src/Dockerfile/Arg.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Dockerfile/Arg.php b/src/Dockerfile/Arg.php
index 2f8fcd6..7ce8347 100644
--- a/src/Dockerfile/Arg.php
+++ b/src/Dockerfile/Arg.php
@@ -8,12 +8,15 @@
 {
     public function __construct(
         private string $name,
-        private string $defaultValue,
+        private ?string $defaultValue = null,
     ) {
     }
 
     public function __toString(): string
     {
-        return sprintf('ARG %s=%s', $this->name, $this->defaultValue);
+        if ($this->defaultValue !== null) {
+            return sprintf('ARG %s=%s', $this->name, $this->defaultValue);
+        }
+        return sprintf('ARG %s', $this->name);
     }
 }