前言

系统环境：Centos7、jdk1.8

docker私服：可以把项目通过dockerfile文件build成docker镜像，供其他环境拉取。部署在本地，私有化。

安装

dockerHUB私服

1. 搭建registry

 #拉取registry镜像

 [root@localhost home]# docker pull registry

 Using default tag: latest

 latest: Pulling from library/registry

 c87736221ed0: Pull complete

 1cc8e0bb44df: Pull complete

 54d33bcb37f5: Pull complete

 e8afc091c171: Pull complete

 b4541f6d3db6: Pull complete

 Digest: sha256:8004747f1e8cd820a148fb7499d71a76d45ff66bac6a29129bfdbfdc0154d146

 Status: Downloaded newer image for registry:latest

 #查看镜像

 [root@localhost home]# docker images

 REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE

 registry            latest              f32a97de94e1        6 months ago        25.8MB

 #启动容器

 [root@localhost home]# docker run -d -v /data/registry:/var/lib/registry -p 5000:5000 --restart=always --name qdockerhub registry:latest

 67b0ac40561688b8bb874fa9674e44eb069cc6ee443127ba80b140ea51947af7

 #测试/v2/_catalog接口

 [root@localhost home]# curl http://127.0.0.1:5000/v2/_catalog

 {"repositories":[]}

 [root@localhost home]#

2. 提交镜像

 #拉取tomcat测试提交

 [root@localhost home]# docker pull tomcat

 Using default tag: latest

 latest: Pulling from library/tomcat

 092586df9206: Pull complete

 ef599477fae0: Pull complete

 4530c6472b5d: Pull complete

 d34d61487075: Pull complete

 272f46008219: Pull complete

 12ff6ccfe7a6: Pull complete

 f26b99e1adb1: Pull complete

 21bec9c8ea28: Pull complete

 e2f6023231f2: Pull complete

 c47eb491a5e3: Pull complete

 Digest: sha256:74e52cc6d27dacb079b273c129d6bf32df6ba328d6508b81ef65f41675ae9570

 Status: Downloaded newer image for tomcat:latest

 #查看镜像

 [root@localhost home]# docker images

 REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE

 tomcat              latest              365b0a528e2e        4 days ago          506MB

 registry            latest              f32a97de94e1        6 months ago        25.8MB

 #给镜像重命名，ip:端口/镜像名称

 [root@localhost home]# docker tag tomcat:latest 127.0.0.1:5000/testtomcat

 #再次查看镜像

 [root@localhost home]# docker images

 REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE

 127.0.0.1:5000/testtomcat   latest              365b0a528e2e        4 days ago          506MB

 tomcat                      latest              365b0a528e2e        4 days ago          506MB

 registry                    latest              f32a97de94e1        6 months ago        25.8MB

 #提交镜像到到docker私服

 [root@localhost home]# docker push 127.0.0.1:5000/testtomcat

 The push refers to repository [127.0.0.1:5000/testtomcat]

 4a3ccf95eef9: Pushed

 4437177a7bda: Pushed

 5161954b2663: Pushed

 57e6a3d20ce9: Pushed

 1690af51cb08: Pushed

 5a30999619d7: Pushed

 2e669e0134f5: Pushed

 8bacec4e3446: Pushed

 26b1991f37bd: Pushed

 55e6b89812f3: Pushed

 latest: digest: sha256:416e93b104aa4bceff6005ec6cc4e073196f98d8e3aa4564c3f7d6ad3591d767 size: 2422

 #curl验证

 [root@localhost home]# curl http://127.0.0.1:5000/v2/_catalog

 {"repositories":["testtomcat"]}

3. 拉取镜像

 #查看镜像

 [root@localhost home]# docker images

 REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE

 registry            latest              f32a97de94e1        6 months ago        25.8MB

 #拉取docker私服镜像

 [root@localhost home]# docker pull 127.0.0.1:5000/testtomcat

 Using default tag: latest

 latest: Pulling from testtomcat

 092586df9206: Pull complete

 ef599477fae0: Pull complete

 4530c6472b5d: Pull complete

 d34d61487075: Pull complete

 272f46008219: Pull complete

 12ff6ccfe7a6: Pull complete

 f26b99e1adb1: Pull complete

 21bec9c8ea28: Pull complete

 e2f6023231f2: Pull complete

 c47eb491a5e3: Pull complete

 Digest: sha256:416e93b104aa4bceff6005ec6cc4e073196f98d8e3aa4564c3f7d6ad3591d767

 Status: Downloaded newer image for 127.0.0.1:5000/testtomcat:latest

 #再次查看镜像

 [root@localhost home]# docker images

 REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE

 127.0.0.1:5000/testtomcat   latest              365b0a528e2e        4 days ago          506MB

 registry                    latest              f32a97de94e1        6 months ago        25.8MB

4.删除私服镜像

 # 查看当前docker私服中的镜像

 [root@localhost ~]# curl http://127.0.0.1:5000/v2/_catalog

 {"repositories":["mingbytesiteweb"]}

 # 查看docker私服容器，重点是 CONTAINER ID

 [root@localhost ~]# docker ps

 CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES

 67b0ac405616        registry:latest     "/entrypoint.sh /etc…"   44 hours ago        Up 44 hours         0.0.0.0:5000->5000/tcp   qdockerhub

 # 删除docker私服中的“mingbytesiteweb”镜像

 # 其中67b0ac405616 为docker私服容器id

 [root@localhost ~]# docker exec 67b0ac405616 rm -rf /var/lib/registry/docker/registry/v2/repositories/mingbytesiteweb

 # 清除掉blob

 # 67b0为docker私服容器id

 [root@localhost ~]# docker exec 67b0 bin/registry garbage-collect /etc/docker/registry/config.yml

 0 blobs marked, 9 blobs and 0 manifests eligible for deletion

 blob eligible for deletion: sha256:a381f92f36de52ade5b5610ef1b354713f21902b2ef32abf8f5101daf686e6b4

 blob eligible for deletion: sha256:cce6b5d4a535e729c30f1f9140a61e5fe408250c442ad69569612094970f8035

 blob eligible for deletion: sha256:d5c237920c394bda8bf1ef31b00bbde458f6978c159303e00d712a95c3f32a40

 time="2019-09-20T02:53:41.576433178Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/a3/a381f92f36de52ade5b5610ef1b354713f21902b2ef32abf8f5101daf686e6b4" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.576740825Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/cc/cce6b5d4a535e729c30f1f9140a61e5fe408250c442ad69569612094970f8035" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.577819834Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/d5/d5c237920c394bda8bf1ef31b00bbde458f6978c159303e00d712a95c3f32a40" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 blob eligible for deletion: sha256:f17d81b4b692f7e0d6c1176c86b81d9f2cb5ac5349703adca51c61debcfe413c

 blob eligible for deletion: sha256:01fe0503c7f786c0613596ab151412f7fd68874d80c43289e5c32725ef1c52ff

 blob eligible for deletion: sha256:082bd21a11cbf8765d11f10147dc59639118b0700c43a6eef427059faa99e939

 blob eligible for deletion: sha256:396a68a9a5c5ed3ab7b570199a9daee6b468b5cacd4e2a6d0040e3ea7c9bb891

 blob eligible for deletion: sha256:3ba74338e49429d19a7e6609eee9f16faa369aa30cdcc295b5382999afa3143a

 blob eligible for deletion: sha256:5ed7726b81ebb228b250e4ef703ec976b56f8db47d5d9f82ce93ebb026fc6e5f

 time="2019-09-20T02:53:41.58367518Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/f1/f17d81b4b692f7e0d6c1176c86b81d9f2cb5ac5349703adca51c61debcfe413c" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.58874132Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/01/01fe0503c7f786c0613596ab151412f7fd68874d80c43289e5c32725ef1c52ff" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.589391384Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/08/082bd21a11cbf8765d11f10147dc59639118b0700c43a6eef427059faa99e939" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.589628015Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/39/396a68a9a5c5ed3ab7b570199a9daee6b468b5cacd4e2a6d0040e3ea7c9bb891" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.589939086Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/3b/3ba74338e49429d19a7e6609eee9f16faa369aa30cdcc295b5382999afa3143a" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

 time="2019-09-20T02:53:41.590973494Z" level=info msg="Deleting blob: /docker/registry/v2/blobs/sha256/5e/5ed7726b81ebb228b250e4ef703ec976b56f8db47d5d9f82ce93ebb026fc6e5f" go.version=go1.11.2 instance.id=ded69299-53f9-4ffe-9309-a707264a7549 service=registry

　　# 删除完成
 [root@localhost ~]# curl http://127.0.0.1:5000/v2/_catalog

 {"repositories":[]}

错误集合

a. 运行错误1

错误提示: [root@izj6c0zsm04q86s2tu4e12z /]# docker run -it docker.io/ubuntu:latest /bin/bash

/usr/bin/docker-current: Error response from daemon: oci runtime error: container_linux.go:235: starting container process caused "process_linux.go:258: applying cgroup configuration for process caused \"Cannot set property TasksAccounting, or unknown property.\"".

解决办法: yum update

b. 私有仓库push错误(改配置后一定要重启docker)

  • docker私有仓库的5000端口是否在防火墙中打开

  • daemon.json文件中提交镜像的地址是否修改为私有docker仓库的地址

  • 添加镜像仓库地址insecure-registries参数，内容修改如下：

vim /etc/docker/daemon.json

{

    "registry-mirrors":["https://registry.docker-cn.com"],

     "insecure-registries":["47.240.32.247:5000"]

}

[root@localhost bin]# systemctl daemon-reload
[root@localhost bin]# systemctl restart docker

 

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