Docker学习笔记——私有仓库部署
1、系统环境:CentOS 7.3172.16.0.44registry已安装docker
172.16.0.45client 已安装docker
2、未加密仓库部署
下载registry镜像
docker pull registry 启动一个registry容器
docker run -d -p 5000:5000 -v /opt/registry/:/tmp/registry registry 下载一个需要私有部署的镜像
docker pull redis 修改镜像的tag
docker tag redis 172.16.0.44:5000/redis 上传打完tag的镜像到私有仓库
docker push 172.16.0.44:5000/redis
The push refers to a repository
Get https://172.16.0.44:5000/v2/: http: server gave HTTP response to HTTPS client 因为从 docker1.3.2 开始,docker registry 默认都是使用v2,使用 https 协议而不是 http
解决办法:
在/etc/docker目录下,创建daemon.json文件,添加如下内容:
{ "insecure-registries":["172.16.0.44:5000"] } 保存退出
systemctl daemon-reload
systemctl restart docker 重启后再次上传镜像,会提示如下错误
The push refers to a repository
Get http://172.16.0.44:5000/v2/: dial tcp 172.16.0.44:5000: getsockopt: connection refused 这是因为重启docker服务后,刚才创建的registry仓库的容器停止了,重启启动容器,就可以上传成功了
docker push 172.16.0.44:5000/redis
The push refers to a repository
2bf5fdee0818: Pushed
e23ed9242cd7: Pushed
32f085a1e7bb: Pushed
05d392f56700: Pushed
2b0fb280b60d: Pushed
latest: digest: sha256:ee24c6a68d9ce22df1aa743ea4c624cdc74e4d99b78e199d480292675249ebca size: 1364 检查私有仓库是否配置成功
curl http://172.16.0.44:5000/v2/_catalog
{"repositories":["redis"]} 在客户端下载私有仓库上的镜像查看成功
docker pull 172.16.0.44:5000/redis 3、加密仓库部署
上传或生产自己的证书文件到仓库服务器上
把证书文件server.key server.pem上传到certs目录下
mkdir -p /etc/docker/certs 启动registry容器
docker run -d -it -p 5000:5000 --restart=always --name zx_registry -v `pwd`/certs:/etc/docker/certs/ -v /opt/registry/:/tmp/registry -e REGISTRY_HTTP_TLS_CERTIFICATE=/etc/docker/certs/server.pem -e REGISTRY_HTTP_TLS_KEY=/etc/docker/certs/server.key registry 拷贝证书文件到客户端
scp certs/server.pem root@172.16.0.45:/etc/pki/ca-trust/source/anchors/ 客户端更新证书文件
cd /etc/pki/ca-trust/source/anchors
update-ca-trust 后面的操作就同未加密仓库部署一样,下载镜像,镜像打tag,上传镜像到本地仓库,客户端下载私有镜像
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