jucai/app/Search/Providers/ElasticsearchProvider.php

<?php
namespace App\Search\Providers;

use App\Search\Engines\ElasticsearchEngine;
use Elasticsearch\ClientBuilder;
use Illuminate\Support\ServiceProvider;
use Laravel\Scout\EngineManager;
use Monolog\Handler\StreamHandler;
use Monolog\Logger;

class ElasticsearchProvider extends ServiceProvider
{

    /**
     * Bootstrap the application services.
     *
     * @return void
     */
    public function boot()
    {
        resolve(EngineManager::class)->extend('elasticsearch', function () {
            $logger = new Logger('elasticsearch');
            $logger->pushHandler(new StreamHandler(storage_path('logs/elasticsearch/search.log'), Logger::CRITICAL));
            return new ElasticsearchEngine(
                ClientBuilder::create()
                    ->setHosts(config('scout.elasticsearch.host'))
                    ->setLogger($logger)
                    ->build()
            );
        });
    }

    /**
     * Register the application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }
}