November 12, 2017

Build docker private registry

Note

ENV:CentOS 7 with docker

####0, pull image named registry first:

docker pull registry

####2, Runnging the container with images:

New data dir for registry.

mkdir -p /data/storage/registry

Here, changed the default port 5000 to 5555 in case to port conflict.

docker run -d -p 5555:5000 --restart=always -v /data/storage/registry:/var/lib/registry --name registry registry

####3, Check container

netstat -ntpl|grep 5555
docker ps|grep registry

####4, Usage

Push public image to private registry.

4.1 pull image fisrt

docker pull ubuntu

4.2 get image id and tag it

docker images|grep ubuntu
docker tag ubuntu HOST_IP:5555/ubuntu;v.1

4.3 push the tagged image

docker push localhost:5555/myfirstimage

4.4 verify the image

docker pull HOST_IP:5555/myfirstimage

5, Use private http docker registry

Enable it with non-http access,please relace HOST_IP with approviate value.

sed -i 's;^ExecStart.*;ExecStart=/usr/bin/dockerd --insecure-registry HOST_IP:5555;' /usr/lib/systemd/system/docker.service && \
systemctl daemon-reload && \
systemctl restart docker

end