strprfcrm/app/Services/PdfConverterClient.php

<?php

namespace App\Services;

use Exception;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Str;

class PdfConverterClient
{
    const CONVERTER_ADDRESS = 'http://pdf-converter:5000/convert';


    /**
     * @param string $filePath
     * @return void
     * @throws Exception
     */
    public static function convert(string $filePath): void
    {
        if(!file_exists($filePath)) {
            throw new Exception("File does not exist");
        }
        $file = fopen($filePath, 'rb');
        if ($file === false) {
            throw new Exception("Cant open file");
        }

        try {
            $response = Http::attach('file', $file, '123.xlsx')->post(self::CONVERTER_ADDRESS);
        } finally {
            fclose($file);
        }

        if($response->successful()) {
            $newFilename = Str::replace('.xlsx', '.pdf', $filePath);
            file_put_contents($newFilename, $response->body());
        } else {
            Log::error($response->clientError());
        }
    }


}