Fatal error: Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo for db failed: Temporary failure in name resolution in /var/www/html/vendor/flightphp/core/flight/core/Loader.php:144 Stack trace: #0 /var/www/html/vendor/flightphp/core/flight/core/Loader.php(144): PDO->__construct('mysql:host=db;d...', 'hospital-kj.com', Object(SensitiveParameterValue)) #1 /var/www/html/vendor/flightphp/core/flight/core/Loader.php(96): flight\core\Loader->newInstance('flight\\database...', Array) #2 /var/www/html/vendor/flightphp/core/flight/Engine.php(127): flight\core\Loader->load('db', true) #3 /var/www/html/vendor/flightphp/core/flight/Flight.php(124): flight\Engine->__call('db', Array) #4 /var/www/html/app/records/ArticleRecord.php(12): Flight::__callStatic('db', Array) #5 /var/www/html/app/controllers/FrontendController.php(61): app\records\ArticleRecord->__construct() #6 [internal function]: app\controllers\FrontendController->view_blog('news', '258') #7 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(376): call_user_func_array(Array, Array) #8 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(287): flight\core\Dispatcher->invokeCallable(Array, Array) #9 /var/www/html/vendor/flightphp/core/flight/Engine.php(547): flight\core\Dispatcher->execute(Array, Array) #10 [internal function]: flight\Engine->_start() #11 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(376): call_user_func_array(Array, Array) #12 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(287): flight\core\Dispatcher->invokeCallable(Array, Array) #13 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(131): flight\core\Dispatcher->execute(Array, Array) #14 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(95): flight\core\Dispatcher->runEvent('start', Array) #15 /var/www/html/vendor/flightphp/core/flight/Engine.php(118): flight\core\Dispatcher->run('start', Array) #16 /var/www/html/app/config/bootstrap.php(67): flight\Engine->__call('start', Array) #17 /var/www/html/index.php(28): require('/var/www/html/a...') #18 {main} Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo for db failed: Temporary failure in name resolution in /var/www/html/vendor/flightphp/core/flight/core/Loader.php:144 Stack trace: #0 /var/www/html/vendor/flightphp/core/flight/core/Loader.php(144): PDO->__construct('mysql:host=db;d...', 'hospital-kj.com', Object(SensitiveParameterValue)) #1 /var/www/html/vendor/flightphp/core/flight/core/Loader.php(96): flight\core\Loader->newInstance('flight\\database...', Array) #2 /var/www/html/vendor/flightphp/core/flight/Engine.php(127): flight\core\Loader->load('db', true) #3 /var/www/html/vendor/flightphp/core/flight/Flight.php(124): flight\Engine->__call('db', Array) #4 /var/www/html/app/records/ArticleRecord.php(12): Flight::__callStatic('db', Array) #5 /var/www/html/app/controllers/FrontendController.php(61): app\records\ArticleRecord->__construct() #6 [internal function]: app\controllers\FrontendController->view_blog('news', '258') #7 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(376): call_user_func_array(Array, Array) #8 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(287): flight\core\Dispatcher->invokeCallable(Array, Array) #9 /var/www/html/vendor/flightphp/core/flight/Engine.php(547): flight\core\Dispatcher->execute(Array, Array) #10 [internal function]: flight\Engine->_start() #11 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(376): call_user_func_array(Array, Array) #12 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(287): flight\core\Dispatcher->invokeCallable(Array, Array) #13 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(131): flight\core\Dispatcher->execute(Array, Array) #14 /var/www/html/vendor/flightphp/core/flight/core/Dispatcher.php(95): flight\core\Dispatcher->runEvent('start', Array) #15 /var/www/html/vendor/flightphp/core/flight/Engine.php(118): flight\core\Dispatcher->run('start', Array) #16 /var/www/html/app/config/bootstrap.php(67): flight\Engine->__call('start', Array) #17 /var/www/html/index.php(28): require('/var/www/html/a...') #18 {main} thrown in /var/www/html/vendor/flightphp/core/flight/core/Loader.php on line 144