public function __invoke($request, $response, $next)
    {
        $response = $next($request, $response);
        $tenantMap = TableRegistry::get('TenantMappings');
        $mapping = $tenantMap->findByName($request->subdomains()[0])->firstOrFail();
        ConnectionManager::config("alias_".$request->subdomains()[0], [
            'className' => 'CakeDatabaseConnection',
            'driver' => 'CakeDatabaseDriverMysql',
            'persistent' => false,
            'host' => 'localhost',
            'username' => '***username***',
            'password' => '***password***',
            'database' => '***database***',
            'encoding' => 'utf8',
            'timezone' => 'UTC',
            'cacheMetadata' => true,
        ]);
        ConnectionManager::alias ("alias_".$request->subdomains()[0], "default");
        Configure::write('Account.active', $mapping->account_id);


        return $response;
    }