Fix loading of config options as env vars

module/Core/src/Config/EnvVars.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Shlinkio\Shlink\Core\Config;
 
+use function Functional\map;
 use function Shlinkio\Shlink\Config\env;
 
 enum EnvVars: string
@@ -74,4 +75,13 @@ enum EnvVars: string
     {
         return $this->loadFromEnv() !== null;
     }
+
+    /**
+     * @return string[]
+     */
+    public static function values(): array
+    {
+        static $values;
+        return $values ?? ($values = map(self::cases(), static fn (EnvVars $envVar) => $envVar->value));
+    }
 }