Command failed: az containerapp create -n gh-ca-is-lin-6227709537 -g undefined -i mcr.microsoft.com/azuredocs/containerapps-helloworld:latest --environment undefined --ingress external --target-port 8080 WARNING: The command requires the extension containerapp. It will be installed first. WARNING: The installed extension 'containerapp' is in preview. ERROR: The environment '/subscriptions/***/resourceGroups/undefined/providers/Microsoft.App/managedEnvironments/undefined' does not exist. Specify a valid environment