• images 顯示鏡像列表

root@ubuntu:/home/yj# docker images REPOSITORY TAG IMAGE ID CREATED SIZE my-image latest 156761cbda42 4 days ago 200MB httpd latest 0240c8f5816c 9 days ago 132MB centos latest 75835a67d134 2 weeks ago 200MB root@ubuntu:/home/yj# docker images my-image REPOSITORY TAG IMAGE ID CREATED SIZE my-image latest 156761cbda42 4 days ago 200MB root@ubuntu:/home/yj#

• history 顯示鏡像構建歷史

root@ubuntu:/home/yj# docker history my-image IMAGE CREATED CREATED BY SIZE COMMENT 156761cbda42 4 days ago /bin/sh -c #(nop) ENV WELCOME=you are in mu… 0B 58c8dc2c1373 4 days ago /bin/sh -c #(nop) ADD file:1dd32835d0dddd036… 0B 8e2dc00832b6 4 days ago /bin/sh -c #(nop) COPY file:c47f7dda7d4863fc… 0B f01a0290b924 4 days ago /bin/sh -c touch tmpfile1 0B 01472d2d5f9f 4 days ago /bin/sh -c #(nop) WORKDIR /testdir 0B e66224d7b144 4 days ago /bin/sh -c #(nop) MAINTAINER yangjin@qq.com 0B 75835a67d134 2 weeks ago /bin/sh -c #(nop) CMD ["/bin/bash"] 0B <missing> 2 weeks ago /bin/sh -c #(nop) LABEL org.label-schema.sc… 0B <missing> 2 weeks ago /bin/sh -c #(nop) ADD file:fbe9badfd2790f074… 200MB

• commit 從容器創建新鏡像

root@ubuntu:/home/yj# docker commit 0c077430c575 my-image2:latest sha256:3ec340b57cca0fbaeff12f082ad33153d5529ae432cb53a2336dba3311b1731b root@ubuntu:/home/yj# docker images REPOSITORY TAG IMAGE ID CREATED SIZE my-image2 latest 3ec340b57cca 18 seconds ago 132MB

• build 從Dockerfile 構建鏡像

容器學習 之 擴展鏡像(五) 這里有提到怎么用Dockerfile構建鏡像，這也是比較推薦的方式。

• tag 給鏡像打 tag

root@ubuntu:/home/yj# docker tag my-image2 my-image2:Jim root@ubuntu:/home/yj# docker images my-image2 REPOSITORY TAG IMAGE ID CREATED SIZE my-image2 Jim 3ec340b57cca 5 minutes ago 132MB my-image2 latest 3ec340b57cca 5 minutes ago 132MB

• rmi 刪除 Docker host 中的鏡像

root@ubuntu:/home/yj# docker images my-image2 REPOSITORY TAG IMAGE ID CREATED SIZE my-image2 Jim 3ec340b57cca 7 minutes ago 132MB my-image2 Ketty 3ec340b57cca 7 minutes ago 132MB my-image2 latest 3ec340b57cca 7 minutes ago 132MB#刪除指定版本號的鏡像 root@ubuntu:/home/yj# docker rmi my-image2:Jim Untagged: my-image2:Jim root@ubuntu:/home/yj# docker images my-image2 REPOSITORY TAG IMAGE ID CREATED SIZE my-image2 Ketty 3ec340b57cca 8 minutes ago 132MB my-image2 latest 3ec340b57cca 8 minutes ago 132MB#默認刪除最新版本的鏡像 root@ubuntu:/home/yj# docker rmi my-image2 Untagged: my-image2:latest root@ubuntu:/home/yj# docker images my-image2 REPOSITORY TAG IMAGE ID CREATED SIZE my-image2 Ketty 3ec340b57cca 8 minutes ago 132MB

• search 搜索Docker Hub中的鏡像

root@ubuntu:/home/yj# docker search httpd NAME DESCRIPTION STARS OFFICIAL AUTOMATED httpd The Apache HTTP Server Project 2098 [OK] hypriot/rpi-busybox-httpd Raspberry Pi compatible Docker Image with a … 44 centos/httpd 21 [OK] centos/httpd-24-centos7 Platform for running Apache httpd 2.4 or bui… 18 armhf/httpd The Apache HTTP Server Project 8

• pull 從registry下載鏡像
• push 將鏡像上傳到registry

下章我們將介紹如何建立本地倉庫和上傳到公有倉庫。

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