ldc-mesbr-app/app/Http/Resources/CustomersResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class CustomersResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request $request
     * @return StatusResource
     */
    public function toArray($request)
    {
        return new StatusResource([
            'status' => 'OK',
            'customer' => parent::toArray($request)
        ]);
    }
}