Fatal error: Uncaught Predis\Connection\ConnectionException: php_network_getaddresses: getaddrinfo failed: Name or service not known [tcp://redis-master:6379] in /myposter/vendor/predis/predis/src/Connection/AbstractConnection.php:155 Stack trace: #0 /myposter/vendor/predis/predis/src/Connection/StreamConnection.php(128): Predis\Connection\AbstractConnection->onConnectionError('php_network_get...', 0) #1 /myposter/vendor/predis/predis/src/Connection/StreamConnection.php(178): Predis\Connection\StreamConnection->createStreamSocket(Object(Predis\Connection\Parameters), 'tcp://redis-mas...', 4) #2 /myposter/vendor/predis/predis/src/Connection/StreamConnection.php(100): Predis\Connection\StreamConnection->tcpStreamInitializer(Object(Predis\Connection\Parameters)) #3 /myposter/vendor/predis/predis/src/Connection/AbstractConnection.php(81): Predis\Connection\StreamConnection->createResource() #4 /myposter/vendor/predis/predis/src/Connection/StreamConnection.php(258): Predis\Connection\AbstractConnection->connect() #5 /myposter/ in /myposter/vendor/predis/predis/src/Connection/AbstractConnection.php on line 155