you are right, for some reason it doesn't resolve inside a container

root@dd0252a8f93e:~/clearml# curl 

curl: (7) Failed to connect to localhost port 8008: Connection refused
root@dd0252a8f93e:~/clearml# curl 

curl: (7) Failed to connect to 127.0.0.1 port 8008: Connection refused
root@dd0252a8f93e:~/clearml#