Warning: Redis::connect(): php_network_getaddresses: getaddrinfo for failed: Name does not resolve in Drupal\redis\Client\PhpRedis->getClient() (line 32 of /opt/drupal/web/modules/contrib/redis/src/Client/PhpRedis.php). 
Drupal\redis\Client\PhpRedis->getClient(, 6379, 0, NULL, Array, ) (Line: 180)
Drupal\redis\ClientFactory::getClient() (Line: 57)
Drupal\redis\Cache\RedisCacheTagsChecksum->__construct(Object) (Line: 83)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService(Array, 'cache_tags_provider.container') (Line: 177)
Drupal\Component\DependencyInjection\Container->get('cache_tags_provider.container', 1) (Line: 212)
Drupal\Component\DependencyInjection\PhpArrayContainer->resolveServicesAndParameters(Array) (Line: 62)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService(Array, 'cache.backend.redis') (Line: 177)
Drupal\Component\DependencyInjection\Container->get('cache.backend.redis', 1) (Line: 212)
Drupal\Component\DependencyInjection\PhpArrayContainer->resolveServicesAndParameters(Array) (Line: 73)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService(Array, 'cache.container') (Line: 177)
Drupal\Component\DependencyInjection\Container->get('cache.container') (Line: 565)
Drupal\Core\DrupalKernel->getCachedContainerDefinition() (Line: 942)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 487)
Drupal\Core\DrupalKernel->boot() (Line: 716)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
The website encountered an unexpected error. Please try again later.
RedisException: php_network_getaddresses: getaddrinfo for failed: Name does not resolve in Redis->connect() (line 32 of /opt/drupal/web/modules/contrib/redis/src/Client/PhpRedis.php). 
Redis->connect('', 6379) (Line: 32)
Drupal\redis\Client\PhpRedis->getClient(, 6379, 0, NULL, Array, ) (Line: 180)
Drupal\redis\ClientFactory::getClient() (Line: 57)
Drupal\redis\Cache\RedisCacheTagsChecksum->__construct(Object) (Line: 83)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService(Array, 'cache_tags_provider.container') (Line: 177)
Drupal\Component\DependencyInjection\Container->get('cache_tags_provider.container', 1) (Line: 212)
Drupal\Component\DependencyInjection\PhpArrayContainer->resolveServicesAndParameters(Array) (Line: 62)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService(Array, 'cache.backend.redis') (Line: 177)
Drupal\Component\DependencyInjection\Container->get('cache.backend.redis', 1) (Line: 212)
Drupal\Component\DependencyInjection\PhpArrayContainer->resolveServicesAndParameters(Array) (Line: 73)
Drupal\Component\DependencyInjection\PhpArrayContainer->createService(Array, 'cache.container') (Line: 177)
Drupal\Component\DependencyInjection\Container->get('cache.container') (Line: 565)
Drupal\Core\DrupalKernel->getCachedContainerDefinition() (Line: 942)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 487)
Drupal\Core\DrupalKernel->boot() (Line: 716)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)