DNS fails to resolve on helper image for kubernetes
due to this alpine dns issuse: https://github.com/gliderlabs/docker-alpine/issues/255 gitlab-runner-helper has dns issuse too.
when run helpler in kubernetes:
$ cat /etc/resolv.conf
nameserver 172.19.1.100
search default.svc.cluster.local svc.cluster.local cluster.local example.com
options ndots:5
$ nslookup git.example.com
nslookup git.example.com
nslookup: can't resolve '(null)': Name does not resolve
nslookup: can't resolve 'git.example.com': Name does not resolve
Edited by Steve Xuereb