docker 连接私有仓库，并向私有仓库推送镜像

一、检查是否已经配置私有仓库

docker info

# 输出如下
Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 0
Server Version: 18.09.6
Storage Driver: overlay2
 Backing Filesystem: xfs
 Supports d_type: true
 Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: bridge host macvlan null overlay
 Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: bb71b10fd8f58240ca47fbb579b9d1028eea7c84
runc version: 2b18fe1d885ee5083ef9f0838fee39b62d653e30
init version: fec3683
Security Options:
 seccomp
  Profile: default
Kernel Version: 3.10.0-862.14.4.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 31.24GiB
Name: gxjsyjzx001
ID: SVUW:JJ64:IOHE:2NM3:L7E7:ZO5Z:2E4O:OQUO:XW7O:IZII:HWCW:GCNW
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false

# 检查此项
Insecure Registries:
 127.0.0.0/8
Registry Mirrors:
 https://pak31uuv.mirror.aliyuncs.com/
 https://registry.docker-cn.com/
Live Restore Enabled: false
Product License: Community Engine

• Insecure Registries：表示私有仓库地址，本次案例配置的私有仓库地址为 192.168.80.135

二、配置私有仓库

2.1 编辑配置文件（不存在则新建）

vim /etc/docker/daemon.json

# 添加配置
"insecure-registries": [
    "192.168.80.135"
]

2.2 配置完成的内容

{
    "registry-mirrors": [
        "https://pak31uuv.mirror.aliyuncs.com",
        "https://registry.docker-cn.com"
    ],
    "insecure-registries": [
        "10.1.119.12"
    ]
}

• registry-mirrors : 配置镜像加速服务（本次案例是使用的tanxingsong的阿里云镜像加速服务，读者在配置的时候，可以自行去阿里云申请免费镜像加速服务，如果嫌麻烦，也可以先用着笔者的镜像加速）
• insecure-registries : 配置远程仓库

2.3 重启docker

systemctl restart docker

2.4 检查是否配置成功

docker info

# 输出如下
Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 0
Server Version: 18.09.6
Storage Driver: overlay2
 Backing Filesystem: xfs
 Supports d_type: true
 Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: bridge host macvlan null overlay
 Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: bb71b10fd8f58240ca47fbb579b9d1028eea7c84
runc version: 2b18fe1d885ee5083ef9f0838fee39b62d653e30
init version: fec3683
Security Options:
 seccomp
  Profile: default
Kernel Version: 3.10.0-862.14.4.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 31.24GiB
Name: gxjsyjzx001
ID: SVUW:JJ64:IOHE:2NM3:L7E7:ZO5Z:2E4O:OQUO:XW7O:IZII:HWCW:GCNW
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false

# 如果存在 192.168.80.135 ，则说明配置成功
Insecure Registries:
192.168.80.135
 127.0.0.0/8
Registry Mirrors:
 https://pak31uuv.mirror.aliyuncs.com/
 https://registry.docker-cn.com/
Live Restore Enabled: false
Product License: Community Engine

三、将镜像推送至私有仓库

3.1 登录私有仓库

docker login 192.168.80.135 -u admin -p Harbor12345

# 输出如下
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

• 出现 Login Succeeded 则说明登录成功

3.2 重命名镜像（我们自己的工程推送，项目为basic，即，镜像名应为：192.168.80.135/basic/openjdk:8）

• 测试镜像：openjdk:8

docker tag openjdk:8 192.168.80.135/basic/openjdk:8

• 命名规则：私有仓库ip/仓库分类/镜像名:版本

3.3 将镜像推送至私有仓库

docker push 192.168.80.135/basic/openjdk:8

# 输出如下
The push refers to repository [10.1.119.12/basic/openjdk]
2ee490fbc316: Layer already exists 
b18043518924: Layer already exists 
9a11244a7e74: Layer already exists 
5f3a5adb8e97: Layer already exists 
73bfa217d66f: Layer already exists 
91ecdd7165d3: Layer already exists 
e4b20fcc48f4: Layer already exists 
8: digest: sha256:1aa55a21176b17bc276dc1b545872cb1590edf632c179fc3297e5e48447d1b24 size: 1795

• 由于以前推送过类似镜像，所以报已存在

3.4 检查镜像

• 访问 harbor镜像仓库进行访问