8.Ubuntu16.04构建docker镜像

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Ubuntu16.04构建docker镜像

保存对容器的修改
自定义镜像的能力
以软件的形式打包并分发服务及其运行环境

docker commit 通过容器构建

docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]-a --author="" 镜像的作者-m --message=" commit message-p --pause=true commit时终止容器eggyer@ubuntu:/usr/local$ docker commit -a "eggyer" -m "test" commit_test  eggyer/commit_testc6015f3dbf2b0641841e70b7998ca2154640e01169f8f3914b8e8ea9b8e46c9deggyer@ubuntu:/usr/local$ docker imagesREPOSITORY           TAG                 IMAGE ID            CREATED              VIRTUAL SIZEeggyer/commit_test   latest              c6015f3dbf2b        16 seconds ago       132.8 MB<none>               <none>              6653e655da79        About a minute ago   132.8 MBubuntu               latest              bea8f41ae3e8        9 days ago           128.1 MBubuntu16.04          latest              bea8f41ae3e8        9 days ago           128.1 MBeggyer/ubuntu16.04   latest              bea8f41ae3e8        9 days ago           128.1 MBeggyer@ubuntu:/usr/local$

docker build 通过dockerfile文件构建

创建dockerfile文件
使用docker build命令

dockerfile文件包含了:系统版本名称,作者信息,要执行的命令,暴露的端口等一系列基本信息

eggyer@ubuntu:~$ cd /usr/localeggyer@ubuntu:/usr/local$ lsbin  dockerfile  etc  games  include  lib  man  nginx  sbin  share  srceggyer@ubuntu:/usr/local$ cd dockerfile/df_test1/eggyer@ubuntu:/usr/local/dockerfile/df_test1$ lsDockerfileeggyer@ubuntu:/usr/local/dockerfile/df_test1$ sudo vim Dockerfile [sudo] eggyer 的密码： eggyer@ubuntu:/usr/local/dockerfile/df_test1$ sudo vim Dockerfile eggyer@ubuntu:/usr/local/dockerfile/df_test1$

docker build[OPTIONS] PATH |URL| -    --force-rm=false    --no-cache=false    --pull=false    -q --quiet=false    --rm=true    -t --tag="" 指定dockertag的名字eggyer@ubuntu:/usr/local/dockerfile/df_test1$ docker build -f "Dockerfile" -t='eggyer/df_test1' .Sending build context to Docker daemon 2.048 kBStep 1 : FROM ubuntu:16.0416.04: Pulling from library/ubuntuDigest: sha256:de7ee0c1ca0b4978e99b0e30da81d697de296adf04d67c9f1dd4e3de1eac02b4Status: Downloaded newer image for ubuntu:16.04 ---> bea8f41ae3e8Step 2 : MAINTAINER eggyer "812022339@qq.com" ---> Running in 6efc67875ad0 ---> d2de656c7282Removing intermediate container 6efc67875ad0Step 3 : RUN apt-get update ---> Running in fb235fa57f5cGet:1 http://archive.ubuntu.com/ubuntu xenial InRelease [247 kB]Get:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]Get:3 http://archive.ubuntu.com/ubuntu xenial-security InRelease [102 kB]Get:4 http://archive.ubuntu.com/ubuntu xenial/main Sources [1103 kB]Get:5 http://archive.ubuntu.com/ubuntu xenial/restricted Sources [5179 B]Get:6 http://archive.ubuntu.com/ubuntu xenial/universe Sources [9802 kB]

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