Added classes to manage the options used in the composer config command

src/Argument.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kiboko\Component\Dockerfile;
+
+final readonly class Argument implements Variable
+{
+    public function __construct(
+        public string $name,
+    ) {
+    }
+
+    public function __toString()
+    {
+        return "\${{$this->name}}";
+    }
+}

src/Dockerfile/Arg.php

@@ -14,9 +14,10 @@ public function __construct(
 
     public function __toString(): string
     {
-        if ($this->defaultValue !== null) {
+        if (null !== $this->defaultValue) {
             return sprintf('ARG %s=%s', $this->name, $this->defaultValue);
         }
+
         return sprintf('ARG %s', $this->name);
     }
 }

src/EnvironmentVariable.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kiboko\Component\Dockerfile;
+
+final readonly class EnvironmentVariable implements Variable
+{
+    public function __construct(
+        public string $name,
+    ) {
+    }
+
+    public function __toString()
+    {
+        return "\${{$this->name}}";
+    }
+}

src/PHP/ComposerConfigGlobal.php → src/PHP/ComposerGlobalConfig.php

@@ -5,20 +5,21 @@
 namespace Kiboko\Component\Dockerfile\PHP;
 
 use Kiboko\Component\Dockerfile\Dockerfile;
+use Kiboko\Component\Dockerfile\Variable;
 
-final readonly class ComposerConfigGlobal implements Dockerfile\LayerInterface, \Stringable
+final readonly class ComposerGlobalConfig implements Dockerfile\LayerInterface, \Stringable
 {
     public function __construct(
-        private string $host,
-        private string $tokenArgument,
+        private string $key,
+        private string|Variable $value,
     ) {
     }
 
     public function __toString(): string
     {
         return (string) new Dockerfile\Run(<<<"RUN"
-            composer config --global {$this->host} \${{$this->tokenArgument}}
-            RUN,
+            composer config --global {$this->key} {$this->value}
+            RUN
         );
     }
 }

src/PHP/ComposerGlobalGithubAuthentication.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kiboko\Component\Dockerfile\PHP;
+
+use Kiboko\Component\Dockerfile\Dockerfile;
+use Kiboko\Component\Dockerfile\Variable;
+
+final readonly class ComposerGlobalGithubAuthentication implements Dockerfile\LayerInterface, \Stringable
+{
+    public function __construct(
+        private Variable $tokenArgument,
+        private string $host = 'github.com',
+    ) {
+    }
+
+    public function __toString(): string
+    {
+        return (string) new Dockerfile\Run(<<<"RUN"
+            composer config --global github-oauth.{$this->host} {$this->tokenArgument}
+            RUN,
+        );
+    }
+}

src/Variable.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kiboko\Component\Dockerfile;
+
+interface Variable extends \Stringable
+{
+}