Laravel Multi-Tenant Multi-Database Multi-Domain

<?php
//.env
APP_URL=http://app.defaultapp/
MAIN_DOMAIN=app.defaultapp

//Database companies, first record
domain colum = app.clientsite1

//RouteServiceProvider
protected function mapTenantRoutes()
    {
        Route::middleware(['tenant.domain','web'])
            ->namespace($this->namespace)
            ->group(base_path('routes/tenant.php'));
    }

//App/Htt/Kernel
protected $middleware = [
        \App\Http\Middleware\CheckForMaintenanceMode::class,
        \Illuminate\Foundation\Http\Middleware\ValidatePostSize::class,
        \App\Http\Middleware\TrimStrings::class,
        \Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull::class,
        \App\Http\Middleware\TrustProxies::class,
        //Tenant
        \App\Http\Middleware\Tenant\TenantMiddleware::class,
        \App\Http\Middleware\Tenant\TenantFilesystems::class,
    ];

protected $routeMiddleware = [
        'auth' => \App\Http\Middleware\Authenticate::class,
        'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
        'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
        'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
        'can' => \Illuminate\Auth\Middleware\Authorize::class,
        'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
        'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,
        'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
        'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
        //Tenant
        'tenant.domain' => \App\Http\Middleware\Tenant\CheckMainDomain::class,
        'tenant.not.domain' => \App\Http\Middleware\Tenant\NotMainDomain::class,
    ];

//Http/Middleware/Tenant/TenantMiddleware
public function handle($request, Closure $next)
    {
        $manager = app(ManagerTenant::class);
        if ($manager->domainIsMain())
        {
            return $next($request);
        }

        $company = $this->getCompany($request->getHost());

        if (!$company && $request->url() != route('404.tenant')) {
            return redirect()->route('404.tenant');
        } else if($request->url() != route('404.tenant') && !$manager->domainIsMain() ) {
            $manager->setConnection($company);

            $this->setSessionCompany($company->only([
                'name', 'uuid',
            ]));
        }

        return $next($request);
    }


    public function getCompany($host)
    {
        return Company::where('domain', $host)->first();
    }

    public function setSessionCompany($company)
    {
        session()->put('company', $company);
    }

//App\Http\Middleware\Tenant\CheckMainDomain
public function handle($request, Closure $next)
    {
        if ($request->getHost() != env('MAIN_DOMAIN')) {
            //dd(env('MAIN_DOMAIN'));
            return abort(401, 'Unauthorized access!');
        }

        return $next($request);
    }
//App\Http\Middleware\Tenant\NotMainDomain
public function handle($request, Closure $next)
    {
        if ($request->getHost() === env('MAIN_DOMAIN')) {
            return abort(401, 'Unauthorized access!');
        }

        return $next($request);
    }

//Routes/tenant.php
Route::group(['namespace'=>'Tenant'], function(){
    Route::get('/', 'TenantController@index')->name('tenant');
    Route::get('companies', 'CompanyController@index')->name('company.index');
    Route::get('company/create', 'CompanyController@create')->name('company.create');
    Route::post('company', 'CompanyController@store')->name('company.store');
    Route::get('company/{domain}', 'CompanyController@show')->name('company.show');
    Route::get('company/edit/{domain}', 'CompanyController@edit')->name('company.edit');
    Route::put('company/{id}', 'CompanyController@update')->name('company.update');
    Route::delete('company/{id}', 'CompanyController@destroy')->name('company.destroy');
});


?>