修改配置http訪問
[root@test01 ~]# cat /etc/docker/daemon.json
{"registry-mirrors": ["https://registry.docker-cn.com"],"insecure-registries":["192.168.1.30:5000"]}
如果不這樣配置，結果如下。這個問題可能是由於客戶端採用https，docker registry未採用https服務所致。一種處理方式是把客戶對地址“192.168.1.30:5000”請求改爲http
[root@test01 ~]# docker push 192.168.1.30:5000/centos
The push refers to a repository [192.168.1.30:5000/centos]
Get https://192.168.1.30:5000/v1/_ping: http: server gave HTTP response to HTTPS client
使用容器運行docker-registry
[root@test01 ~]# docker run -d -p 5000:5000 --privileged=true -v /opt/data/registry:/tmp/registry --name='docker-registry' registry
參數說明：
-v /opt/data/registry:/tmp/registry :默認情況下，會將倉庫存放於容器內的/tmp/registry目錄下，指定本地目錄掛載到容器
–privileged=true ：CentOS7中的安全模塊selinux把權限禁掉了，參數給容器加特權，不加上傳鏡像會報權限錯誤(OSError: [Errno 13] Permission denied: ‘/tmp/registry/repositories/liibrary’)或者（Received unexpected HTTP status: 500 Internal Server Error）錯誤
上傳鏡像
[root@test01 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker.io/wordpress latest 346b1443b020 30 hours ago 407 MB
[root@test01 ~]# docker push 192.168.1.30:5000/wordpress
The push refers to a repository [192.168.1.30:5000/wordpress]
An image does not exist locally with the tag: 192.168.1.30:5000/wordpress
[root@test01 ~]#
根據提示，我們知道需要修改一下tag才能上傳
[root@test01 ~]# docker tag docker.io/wordpress 192.168.1.30:5000/wordpress
[root@test01 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
192.168.1.30:5000/wordpress latest 346b1443b020 30 hours ago 407 MB
docker.io/wordpress latest 346b1443b020 30 hours ago 407 MB
[root@test01 ~]# docker push 192.168.1.30:5000/wordpress
The push refers to a repository [192.168.1.30:5000/wordpress]
3d7c1bb6ce9f: Pushed
從私有倉庫中下載
[root@test01 ~]# docker pull 192.168.1.30:5000/wordpress
客戶端永久配置使用私有倉庫
加入ADD_REGISTRY='--add-registry 192.168.1.30:5000'
[root@test01 ~]# cat /etc/sysconfig/docker
/etc/sysconfig/docker
Modify these options if you want to change the way the docker daemon runs
OPTIONS='--selinux-enabled --log-driver=journald --signature-verification=false -H unix:///var/run/docker.sock -H 0.0.0.0:2376'
ADD_REGISTRY='--add-registry 192.168.1.30:5000'
if [ -z "${DOCKER_CERT_PATH}" ]; then
DOCKER_CERT_PATH=/etc/docker
fi