Docker 容器镜像制作(python程序)
2019-06-24 14:53
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话不多说,本篇是为上面一篇Compose服务的
首先拉取centos镜像
[root@devops ~]# docker search centos NAME DESCRIPTION STARS OFFICIAL AUTOMATED centos The official build of CentOS. 5421 [OK] ansible/centos7-ansible Ansible on Centos7 121 [OK] jdeathe/centos-ssh CentOS-6 6.10 x86_64 / CentOS-7 7.6.1810 x86… 110 [OK] consol/centos-xfce-vnc Centos container with "headless" VNC session… 91 [OK] imagine10255/centos6-lnmp-php56 centos6-lnmp-php56 57 [OK] tutum/centos Simple CentOS docker image with SSH access 44 centos/postgresql-96-centos7 PostgreSQL is an advanced Object-Relational … 37 kinogmt/centos-ssh CentOS with SSH 27 [OK] centos/php-56-centos7 Platform for building and running PHP 5.6 ap… 20 guyton/centos6 From official centos6 container with full up… 10 [OK] pivotaldata/centos-gpdb-dev CentOS image for GPDB development. Tag names… 10 drecom/centos-ruby centos ruby 6 [OK] pivotaldata/centos Base centos, freshened up a little with a Do… 3 darksheer/centos Base Centos Image -- Updated hourly 3 [OK] miko2u/centos6 CentOS6 日本語環境 2 [OK] pivotaldata/centos-mingw Using the mingw toolchain to cross-compile t… 2 ovirtguestagent/centos7-atomic The oVirt Guest Agent for Centos 7 Atomic Ho… 2 pivotaldata/centos-gcc-toolchain CentOS with a toolchain, but unaffiliated wi… 1 mcnaughton/centos-base centos base image 1 [OK] blacklabelops/centos CentOS Base Image! Built and Updates Daily! 1 [OK] indigo/centos-maven Vanilla CentOS 7 with Oracle Java Developmen… 1 [OK] smartentry/centos centos with smartentry 0 [OK] pivotaldata/centos7-dev CentosOS 7 image for GPDB development 0 pivotaldata/centos6.8-dev CentosOS 6.8 image for GPDB development 0 fortinj66/centos7-s2i-nodejs based off of ryanj/centos7-s2i-nodejs. Bigg… 0 [root@devops ~]# docker pull centos Using default tag: latest latest: Pulling from library/centos 8ba884070f61: Pull complete Digest: sha256:b5e66c4651870a1ad435cd75922fe2cb943c9e973a9673822d1414824a1d0475 Status: Downloaded newer image for centos:latest [root@devops ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE portainer/portainer latest da2759008147 2 weeks ago 75.4MB centos latest 9f38484d220f 3 months ago 202MB [root@devops ~]# docker pull nginx Using default tag: latest latest: Pulling from library/nginx fc7181108d40: Pull complete c4277fc40ec2: Pull complete 780053e98559: Pull complete Digest: sha256:bdbf36b7f1f77ffe7bd2a32e59235dff6ecf131e3b6b5b96061c652f30685f3a Status: Downloaded newer image for nginx:latest
这里我们登陆一下的私有仓库
[root@devops ~]# docker login --username=抛物线linux registry.cn-beijing.aliyuncs.com Password: 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
然后开启运行一个镜像
[root@devops ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE nginx latest 719cd2e3ed04 12 days ago 109MB portainer/portainer latest da2759008147 2 weeks ago 75.4MB centos latest 9f38484d220f 3 months ago 202MB [root@devops ~]# docker run -itd --name centospython --net=bridge centos /bin/bash 16f0c37e1fdd4ba18ff346b3a8444da1ff64cbff236417bf736760c9fccc182f [root@devops ~]# docker ps -l CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 16f0c37e1fdd centos "/bin/bash" 3 seconds ago Up 2 seconds centospython [root@devops ~]# docker exec -it 16f0c37e1fdd /bin/bash [root@16f0c37e1fdd /]# ip a [root@16f0c37e1fdd /]# yum search ifconfig Loaded plugins: fastestmirror, ovl Determining fastest mirrors * base: mirror.bit.edu.cn * extras: mirror.bit.edu.cn * updates: mirror.bit.edu.cn base | 3.6 kB 00:00:00 extras | 3.4 kB 00:00:00 updates | 3.4 kB 00:00:00 (1/4): base/7/x86_64/group_gz | 166 kB 00:00:01 (2/4): extras/7/x86_64/primary_db | 205 kB 00:00:01 (3/4): base/7/x86_64/primary_db | 6.0 MB 00:00:01 (4/4): updates/7/x86_64/primary_db | 6.4 MB 00:00:24 ========================================================== Matched: ifconfig ========================================================== net-tools.x86_64 : Basic networking tools [root@16f0c37e1fdd /]# yum install -y net-tools.x86_64 Loaded plugins: fastestmirror, ovl Loading mirror speeds from cached hostfile * base: mirror.bit.edu.cn * extras: mirror.bit.edu.cn * updates: mirror.bit.edu.cn Resolving Dependencies --> Running transaction check ---> Package net-tools.x86_64 0:2.0-0.24.20131004git.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ======================================================================================================================================= Package Arch Version Repository Size ======================================================================================================================================= Installing: net-tools x86_64 2.0-0.24.20131004git.el7 base 306 k Transaction Summary ======================================================================================================================================= Install 1 Package Total download size: 306 k Installed size: 918 k Downloading packages: warning: /var/cache/yum/x86_64/7/base/packages/net-tools-2.0-0.24.20131004git.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY Public key for net-tools-2.0-0.24.20131004git.el7.x86_64.rpm is not installed net-tools-2.0-0.24.20131004git.el7.x86_64.rpm | 306 kB 00:00:00 Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 Importing GPG key 0xF4A80EB5: Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>" Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5 Package : centos-release-7-6.1810.2.el7.centos.x86_64 (@CentOS) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : net-tools-2.0-0.24.20131004git.el7.x86_64 1/1 Verifying : net-tools-2.0-0.24.20131004git.el7.x86_64 1/1 Installed: net-tools.x86_64 0:2.0-0.24.20131004git.el7 Complete! [root@16f0c37e1fdd /]# [root@16f0c37e1fdd /]# [root@16f0c37e1fdd /]# ifconfig eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 172.17.0.3 netmask 255.255.0.0 broadcast 172.17.255.255 ether 02:42:ac:11:00:03 txqueuelen 0 (Ethernet) RX packets 4292 bytes 13959608 (13.3 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 3860 bytes 211812 (206.8 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 loop txqueuelen 0 (Local Loopback) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 [root@16f0c37e1fdd /]# python Python 2.7.5 (default, Oct 30 2018, 23:45:53) [GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>>
然后把我们的该容器打包成镜像
[root@devops ~]# docker ps -l CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 16f0c37e1fdd centos "/bin/bash" 21 minutes ago Up 21 minutes centospython [root@devops ~]# docker export 16f0c37e1fdd > python3tar [root@devops ~]# ls anaconda-ks.cfg initial-setup-ks.cfg python3tar [root@devops ~]# mv python3tar /opt/ [root@devops ~]# cat /opt/python3tar | docker import - python3:test sha256:6121878c45f969eaef26aef5b193029ae396c53714ead35d19e67b122975cf31 [root@devops ~]# docker images | grep python3 python3 test 6121878c45f9 9 seconds ago 284MB [root@devops ~]#
这里由于compose中使用的是python2.7 的镜像 那么我们就重新tag 一下
[root@devops ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE python3 test 6121878c45f9 53 seconds ago 284MB python 2.7 693b5f09c0ee 7 minutes ago 307MB nginx latest 719cd2e3ed04 12 days ago 109MB portainer/portainer latest da2759008147 2 weeks ago 75.4MB centos latest 9f38484d220f 3 months ago 202MB [root@devops ~]# docker tag python3:test python2.7:test [root@devops ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE python2.7 test 6121878c45f9 About a minute ago 284MB python3 test 6121878c45f9 About a minute ago 284MB python 2.7 693b5f09c0ee 8 minutes ago 307MB nginx latest 719cd2e3ed04 12 days ago 109MB portainer/portainer latest da2759008147 2 weeks ago 75.4MB centos latest 9f38484d220f 3 months ago 202MB [root@devops ~]#
好了 制作已经结束,继续上篇我们的compose
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