CentOS构建Docker2

admin 发布于:2019-1-30 9:03 分类:系统架构  有 2184 人浏览,获得评论 0 条 标签: Docker 

查看版本
[root@localhost ~]# docker version
Client:
 Version:         1.13.1
 API version:     1.26
 Package version: docker-1.13.1-88.git07f3374.el7.centos.x86_64
 Go version:      go1.9.4
 Git commit:      07f3374/1.13.1
 Built:           Fri Dec  7 16:13:51 2018
 OS/Arch:         linux/amd64

Server:
 Version:         1.13.1
 API version:     1.26 (minimum version 1.12)
 Package version: docker-1.13.1-88.git07f3374.el7.centos.x86_64
 Go version:      go1.9.4
 Git commit:      07f3374/1.13.1
 Built:           Fri Dec  7 16:13:51 2018
 OS/Arch:         linux/amd64
 Experimental:    false


搜索容器镜像
[root@localhost ~]# docker search centos
INDEX       NAME                                         DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
docker.io   docker.io/centos                             The official build of CentOS.                   5147      [OK]       
docker.io   docker.io/ansible/centos7-ansible            Ansible on Centos7                              119                  [OK]
docker.io   docker.io/jdeathe/centos-ssh                 CentOS-6 6.10 x86_64 / CentOS-7 7.5.1804 x...   106                  [OK]
docker.io   docker.io/consol/centos-xfce-vnc             Centos container with "headless" VNC sessi...   78                   [OK]
docker.io   docker.io/imagine10255/centos6-lnmp-php56    centos6-lnmp-php56                              50                   [OK]
docker.io   docker.io/centos/mysql-57-centos7            MySQL 5.7 SQL database server                   45                   
docker.io   docker.io/tutum/centos                       Simple CentOS docker image with SSH access      43                   
docker.io   docker.io/openshift/base-centos7             A Centos7 derived base image for Source-To...   39                   
docker.io   docker.io/gluster/gluster-centos             Official GlusterFS Image [ CentOS-7 +  Glu...   38                   [OK]
docker.io   docker.io/centos/postgresql-96-centos7       PostgreSQL is an advanced Object-Relationa...   37                   
docker.io   docker.io/centos/python-35-centos7           Platform for building and running Python 3...   33                   
docker.io   docker.io/kinogmt/centos-ssh                 CentOS with SSH                                 25                   [OK]
docker.io   docker.io/openshift/jenkins-2-centos7        A Centos7 based Jenkins v2.x image for use...   20                   
docker.io   docker.io/centos/php-56-centos7              Platform for building and running PHP 5.6 ...   19                   
docker.io   docker.io/pivotaldata/centos-gpdb-dev        CentOS image for GPDB development. Tag nam...   10                   
docker.io   docker.io/openshift/wildfly-101-centos7      A Centos7 based WildFly v10.1 image for us...   6                    
docker.io   docker.io/openshift/jenkins-1-centos7        DEPRECATED: A Centos7 based Jenkins v1.x i...   4                    
docker.io   docker.io/darksheer/centos                   Base Centos Image -- Updated hourly             3                    [OK]
docker.io   docker.io/pivotaldata/centos                 Base centos, freshened up a little with a ...   2                    
docker.io   docker.io/pivotaldata/centos-mingw           Using the mingw toolchain to cross-compile...   2                    
docker.io   docker.io/blacklabelops/centos               CentOS Base Image! Built and Updates Daily!     1                    [OK]
docker.io   docker.io/pivotaldata/centos-gcc-toolchain   CentOS with a toolchain, but unaffiliated ...   1                    
docker.io   docker.io/pivotaldata/centos7-build          CentosOS 7 image for GPDB compilation           0                    
docker.io   docker.io/pivotaldata/centos7-test           CentosOS 7 image for GPDB testing               0                    
docker.io   docker.io/smartentry/centos                  centos with smartentry                          0                    [OK]



下载容器镜像
[root@localhost ~]# docker pull docker.io/centos
Using default tag: latest
Trying to pull repository docker.io/library/centos ... 
latest: Pulling from docker.io/library/centos
5e6ec7f28fb7: Pull complete 
566e675a8212: Pull complete 
ef5a8026039b: Pull complete 
22ecb0106557: Pull complete 
91cc511c603e: Pull complete 
Digest: sha256:184e5f35598e333bfa7de10d8fb1cebb5ee4df5bc0f970bf2b1e7c7345136426
Status: Downloaded newer image for docker.io/centos:latest


查看容器镜像
[root@localhost ~]# docker images centos
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
docker.io/centos    latest              1e1148e4cc2c        7 weeks ago         202 MB

运行容器镜像
[root@localhost ~]# docker run centos  echo "Hello Centos"
Hello Centos


命令行运行容器镜像
[root@localhost ~]# docker run -t -i centos /bin/bash
[root@4bf88ec1e25e /]# echo "Hello Centos"
Hello Centos

保存对容器的修改
[root@localhost ~]# docker ps -l
CONTAINER ID        IMAGE               COMMAND             CREATED              STATUS                     PORTS               NAMES
4bf88ec1e25e        centos              "/bin/bash"         About a minute ago   Exited (0) 5 seconds ago                       mystifying_kilby
[root@localhost ~]# docker commit -m="Hello Centos"  4bf88ec1e25e  hellocentos
sha256:05c7c5c8c6f1ef66736cd1c6256cdd94629263ff67375e78e040e34dce2fb548

检查运行中的镜像
[root@localhost ~]# docker run hellocentos echo "Hello Centos"
WARNING: IPv4 forwarding is disabled. Networking will not work.
Hello Centos
[root@localhost ~]# docker inspect hellocentos
[
    {
        "Id": "sha256:05c7c5c8c6f1ef66736cd1c6256cdd94629263ff67375e78e040e34dce2fb548",
        "RepoTags": [
            "hellocentos:latest"
        ],
        "RepoDigests": [],
        "Parent": "sha256:1e1148e4cc2c148c6890a18e3b2d2dde41a6745ceb4e5fe94a923d811bf82ddb",
        "Comment": "Hello Centos",
        "Created": "2019-01-29T02:15:06.601658579Z",
        "Container": "4bf88ec1e25ebb0b91dd80fce5e26138c8f955f4edeb6c778422af65a66c7b6d",
        "ContainerConfig": {
            "Hostname": "4bf88ec1e25e",
            "Domainname": "",
            "User": "",
            "AttachStdin": true,
            "AttachStdout": true,
            "AttachStderr": true,
            "Tty": true,
            "OpenStdin": true,
            "StdinOnce": true,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/bash"
            ],
            "Image": "centos",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {
                "org.label-schema.build-date": "20181205",
                "org.label-schema.license": "GPLv2",
                "org.label-schema.name": "CentOS Base Image",
                "org.label-schema.schema-version": "1.0",
                "org.label-schema.vendor": "CentOS"
            }
        },
        "DockerVersion": "1.13.1",
        "Author": "",
        "Config": {
            "Hostname": "",
            "Domainname": "",
            "User": "",
            "AttachStdin": false,
            "AttachStdout": false,
            "AttachStderr": false,
            "Tty": false,
            "OpenStdin": false,
            "StdinOnce": false,
            "Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
            ],
            "Cmd": [
                "/bin/bash"
            ],
            "Image": "",
            "Volumes": null,
            "WorkingDir": "",
            "Entrypoint": null,
            "OnBuild": null,
            "Labels": {
                "org.label-schema.build-date": "20181205",
                "org.label-schema.license": "GPLv2",
                "org.label-schema.name": "CentOS Base Image",
                "org.label-schema.schema-version": "1.0",
                "org.label-schema.vendor": "CentOS"
            }
        },
        "Architecture": "amd64",
        "Os": "linux",
        "Size": 201779629,
        "VirtualSize": 201779629,
        "GraphDriver": {
            "Name": "overlay2",
            "Data": {
                "LowerDir": "/var/lib/docker/overlay2/2e17ffe2a2acae3ca7b05851e5b2a8f4858bdec98b9ffeddaff1416851167d83/diff",
                "MergedDir": "/var/lib/docker/overlay2/6cbdbc6d1560ec1fe0b608e1dc80dcb4088cebbbbe77d7e269ac13732c711a00/merged",
                "UpperDir": "/var/lib/docker/overlay2/6cbdbc6d1560ec1fe0b608e1dc80dcb4088cebbbbe77d7e269ac13732c711a00/diff",
                "WorkDir": "/var/lib/docker/overlay2/6cbdbc6d1560ec1fe0b608e1dc80dcb4088cebbbbe77d7e269ac13732c711a00/work"
            }
        },
        "RootFS": {
            "Type": "layers",
            "Layers": [
                "sha256:071d8bd765171080d01682844524be57ac9883e53079b6ac66707e192ea25956",
                "sha256:e0a311bc74f5b5421dc5c135921dece63824e1cce9e5f5717d07878315d3728a"
            ]
        }
    }
]


发布自己的镜像
[root@localhost ~]# docker commit -m "my centos" 4bf88ec1e25e wangcnc2005/centos
sha256:4a3a837b38d77a5024b22cf0265f69eef7a3b3ccb32c2f2c7ca3c5d52edb2320


[root@localhost ~]# docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: wangcnc2005
Password: 
Login Succeeded


[root@localhost ~]# docker push wangcnc2005/centos:latest
The push refers to a repository [docker.io/wangcnc2005/centos]
e0a311bc74f5: Pushed 
071d8bd76517: Pushed 
latest: digest: sha256:704978e57bd5486f145467a3ab314434bc02041a0f1aae137f43a5c81aea2506 size: 736

[root@localhost ~]# docker search wangcnc2005
INDEX       NAME                           DESCRIPTION   STARS     OFFICIAL   AUTOMATED
docker.io   docker.io/wangcnc2005/centos   my centos     0           


容器的删除
[root@localhost ~]# docker commit -m="Hello Centos"  4bf88ec1e25e  hello_centos
sha256:3e99e17de7d4de201482f97635780ad7872cea5a8ce5a1a70312ce4cd330cf40
[root@localhost ~]# docker images|grep centos
hello_centos            latest              3e99e17de7d4        5 seconds ago       202 MB
hellocentos             latest              05c7c5c8c6f1        21 hours ago        202 MB
docker.io/centos        latest              1e1148e4cc2c        7 weeks ago         202 MB

[root@localhost ~]# docker rmi hello_centos
Untagged: hello_centos:latest
Deleted: sha256:3e99e17de7d4de201482f97635780ad7872cea5a8ce5a1a70312ce4cd330cf40

[root@localhost ~]# docker images|grep centos
REPOSITORY              TAG                 IMAGE ID            CREATED             SIZE
hellocentos              latest              05c7c5c8c6f1        21 hours ago        202 MB
docker.io/centos         latest              1e1148e4cc2c        7 weeks ago         202 MB
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