Use CentOS7.
Docker 1.10.3
# vim /etc/sysconfig/docker
Uncomment this line.
INSECURE_REGISTRY='--insecure-registry 192.168.1.1:5566 --insecure-registry 192.168.1.2:5566'
# systemctl start docker
Docker 1.12+ use JSON format
# vim /etc/docker/daemon.json
Add this line.
{ "insecure-registries":["192.168.1.1:5566", "192.168.1.2:5566"] }
# systemctl restart docker
Docker Login
# docker login -u ACCOUNT 192.168.1.1:5566
# docker login -u ACCOUNT 192.168.1.2:5566