Docker仓库搭建（Registry + Portus）

1.更新系统：

yum update -y

2. 安装docker-compos

yum -y install epel-release #pip安装包在epel源中
yum -y install python-pip
pip install -U docker-compose

3.安装git客户端

yum install -y git

4.复制Portus安装程序

git clone https://github.com/SUSE/Portus.git

5.配置Docker安装源

vi /etc/yum.repos.d/docker.repo
[dockerrepo]
name=Docker Repository
baseurl=https://yum.dockerproject.org/repo/main/centos/$releasever/
enabled=1
gpgcheck=1
gpgkey=
https://yum.dockerproject.org/gpg

6.安装docker引擎并启动

yum cleal all && yum makecache
yum install -y docker-engine
systemctl start docker.service
systemctl enable docker.service

此步如果有保存，请参考下面链接的地址：

http://www.cnblogs.com/amoyzhu/p/5261393.html

7. 安装Portus

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./compose-setup.sh -e 192.168.0.109
#安装过程中会下载registry、mariadb、rails、ports_web等几个docker镜像
#如果网络不好可以先下载对应的几个docker镜像文件
#然后上传到portus服务器上并用docker load命令加载。
#镜像的具体版本号以实际为准。
REPOSITORY       TAG                IMAGE ID          CREATED          SIZE
portus_web       latest             24a654206d8b       2 days ago       1.086 GB
registry          2.3.1             83139345d017       4 months ago       165.8 MB
mariadb          10.0.23          93631b528e67       5 months ago       304.6 MB
rails             4.2.2             99b347e4bbb4       13 months ago    884.5 MB
安装过后会给出相应的登陆信息和客户端需要的操作样例
###################
#    SUCCESS    #
###################

Make sure port 3000 and 5000 are open on host 192.168.0.109

Open http://192.168.0.109:3000 with your browser and perform the following steps:

  1. Create an admin account
  2. You will be redirected to a page where you have to register the registry. In this form:
- Choose a custom name for the registry.
- Enter 192.168.0.109:5000 as the hostname.
- Do *not* check the "Use SSL" checkbox, since this setup is not using SSL.

Perform the following actions on the docker hosts that need to interact with your registry:

  - Ensure the docker daemon is started with the '--insecure-registry 192.168.0.109:5000'
  - Perform the docker login.

To authenticate against your registry using the docker cli do:

  $ docker login -u <portus username> -p <password> -e <email> 192.168.0.109:5000

To push an image to the private registry:

  $ docker pull busybox
  $ docker tag busybox 192.168.0.109:5000/<username>busybox
  $ docker push 192.168.0.109:5000/<username>busybox

8、打开防火墙端口

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firewall-cmd --zone=public --add-port=3000/tcp --permanent
firewall-cmd --zone=public --add-port=5000/tcp --permanent
systemctl restart firewall.service

9. Portus初始化

连接到本docker仓库（也可以是其他仓库，必须是registry 2.0以上版本）
<ignore_js_op>
10、上传镜像测试
修改文件/lib/systemd/system/docker.service中的ExecStart增加--insecure-registry 192.168.0.109:5000并重启docker服务