Fatal error: Uncaught CredisException: Connection to Redis spc-redis-master:6379 failed after 2 failures.Last Error : (111) Connection refused in /var/www/html/vendor/colinmollenhour/credis/Client.php:493 Stack trace: #0 /var/www/html/vendor/colinmollenhour/credis/Client.php(489): Credis_Client->connect() #1 /var/www/html/vendor/colinmollenhour/credis/Client.php(811): Credis_Client->connect() #2 /var/www/html/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(472): Credis_Client->__call('hGet', Array) #3 /var/www/html/vendor/magento/framework/Cache/Backend/Redis.php(61): Cm_Cache_Backend_Redis->load('69d_SYSTEM_DEFA...', false) #4 /var/www/html/vendor/magento/zendframework1/library/Zend/Cache/Core.php(306): Magento\Framework\Cache\Backend\Redis->load('69d_SYSTEM_DEFA...', false) #5 /var/www/html/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(55): Zend_Cache_Core->load('69d_SYSTEM_DEFA...') #6 /var/www/html/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\Cache\ in /var/www/html/vendor/colinmollenhour/credis/Client.php on line 493