MyDBServiceProvider.php

<?php

namespace MyDB;

use Illuminate\Support\ServiceProvider;
use MyDB\Connectors\MyDBConnector as Connector;

class MyDBServiceProvider extends ServiceProvider
{
    /**
     * Indicates if loading of the provider is deferred.
     *
     * @var bool
     */
    protected $defer = false;

    public function boot()
    {
        $this->publishes([
            __DIR__ . '/../../config/mydb.php' => config_path('/mydb.php'),
        ], 'mydb');
    }
    
    /**
     * Register the service provider.
     *
     * @return void
     */
    public function register()
    {
        $this->mergeConfigFrom(__DIR__ . '/../../config/mydb.php', 'database.connections');
        MyDBConnection::resolverFor('mydb', function ($connection, $database, $prefix, $config) {
            $connector  = new Connector();
            $connection = $connector->connect($config);
            $db         = new MyDBConnection($connection, $config["database"], $config["prefix"], $config);
            return $db;
        });
    }
}