Bogardo\Mailgun\MailgunServiceProvider::register PHP Method

    public function register()
    {
        /** @var \Illuminate\Config\Repository $config */
        $config = $this->app->make('config');
        /**
         * Register main Mailgun service
         */
        $this->app->bind('mailgun', function () use($config) {
            $clientAdapter = $this->app->make('mailgun.client');
            $mg = $this->app->make(MailgunApi::class, [$config->get('mailgun.api_key'), $clientAdapter, $config->get('mailgun.api.endpoint')]);
            $mg->setApiVersion($config->get('mailgun.api.version'));
            $mg->setSslEnabled($config->get('mailgun.api.ssl', true));
            return new Service($mg, $this->app->make('view'), $config);
        });
        /**
         * Register the public Mailgun service
         */
        $this->app->bind('mailgun.public', function () use($config) {
            $clientAdapter = $this->app->make('mailgun.client');
            $mg = $this->app->make(MailgunApi::class, [$config->get('mailgun.public_api_key'), $clientAdapter, $config->get('mailgun.api.endpoint')]);
            $mg->setApiVersion($config->get('mailgun.api.version'));
            $mg->setSslEnabled($config->get('mailgun.api.ssl', true));
            return $mg;
        });
        $this->app->bind(MailgunContract::class, 'mailgun');
    }