安装部署一个私有的Docker Registry是引入、学习和使用Docker这门技术的必经之路之一。尤其是当Docker被所在组织接受,更多人、项目和产品开始接触和使用Docker时,存储和分发自制的Docker image便成了刚需。Docker Registry一如既往的继承了“Docker坑多”的特点,为此这里将自己搭建”各类”Registry过程中执行的步骤、遇到的问题记录下来,为己备忘,为他参考。
Registry2在镜像存储方面不仅支持本地盘,还支持诸多主流第三方存储方案。通过分布式存储系统你还可以实现一个分布式Docker Registry服务。
准备
server1,server2 (其中server1作为私有库服务器,server2作为普通客户端)
在server1上
1 下载 registry
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docker pull registry:latest
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2 配置 /etc/default/docker 因为https需要证书密码等比较复杂,直接加 insecure-registry即可
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# Docker Upstart and SysVinit configuration file
# Customize location of Docker binary (especially for development testing).
#DOCKER="/usr/local/bin/docker"
# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4"
DOCKER_OPTS= "--insecure-registry 127.0.0.1:5000"
# If you need Docker to use an HTTP proxy, it can also be specified here.
#export http_proxy="http://127.0.0.1:3128/"
# This is also a handy place to tweak where Docker's temporary files go.
#export TMPDIR="/mnt/bigdrive/docker-tmp"
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3 启动registry
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sudo docker run --name registry -d -p 5000:5000 - v /home/docker_registry : /var/lib/registry --restart=always registry:latest
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4 tag镜像
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docker tag redis server1:5000 /redis
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5 推送保存私有镜像
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docker push server1:5000 /redis
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5.1 查看推送到私有仓库的镜像
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$ docker search 10.10.105.71:5000 /tonybai/busybox/
Error response from daemon: Unexpected status code 404
但通过v2版本的API,我们可以实现相同目的:
$curl http: //10 .10.105.71:5000 /v2/_catalog
{ "repositories" :[ "tonybai/busybox" ]}
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在server2(client)上
因为docker Registry中讲到, 如果采用insecure registry的模式,那么所有与Registry交互的主机上的Docker Daemon都要配置:–insecure-registry选项。除了这个模式还可以配置证书,在此不作说明
1 配置 -insecure-registry(centos:/etc/sysconfig/docker ubuntu:/etc/default/docker)
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# Docker Upstart and SysVinit configuration file
# Customize location of Docker binary (especially for development testing).
#DOCKER="/usr/local/bin/docker"
# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4"
DOCKER_OPTS= "--insecure-registry server1:5000"
# If you need Docker to use an HTTP proxy, it can also be specified here.
#export http_proxy="http://127.0.0.1:3128/"
# This is also a handy place to tweak where Docker's temporary files go.
#export TMPDIR="/mnt/bigdrive/docker-tmp"
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2 下载
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docker pull server1:5000 /redis
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3 提交推送
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docker tag redis server1:5000 /redis
docker push server1:5000 /redis
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参考:
http://www.cnblogs.com/xcloudbiz/articles/5526262.html
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原文链接:https://blog.csdn.net/zjy1211079133/article/details/108820948