For help: I was written in dockerfile, command into the mirror, uploaded to the harbor warehouse, subsequent use kuboard create workload, how to make the change at the same time of project startup, mirror system in the/etc/hosts, currently used dockerfile compilation command to attempt to modify, still can't modify success, look at the official documentation HostAliases created, don't understand the pod is which, I k8s version is the docker v1.15.0 18.06.1 - ce, help you help the younger brother as a way to solve, check a lot of information to try for three days, have no idea