06-Docker-Image管理操作

06-Docker-Image管理操作

Docker Version: 19.03.5

Written by Zak Zhu

参考

• Breeze老师的docker培训
• 马哥docker视频

镜像命名规范

REGISTRY-URL/NAMESPACE/REPOSITORY:TAG

NAMESPACE一般是:

• Organization

  Examples (/):

  redhat/kubernets, google/kubernets

• Login

  Examples (/):

  alice/application, bob/application

• Role

  Examples (/):

  devel/database, test/database, prod/database

示例:

• hub.docker.com/library/httpd:latest
• quay.io/prometheus/prometheus:master
• hub.zakzhu.top/op-base/nginx:1.17
• hub.zakzhu.top/op-base/openresty-php:1.11.2.4-7.0.27

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镜像管理命令

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1. 拉取推送

• pull

  Pull an image or a repository from a registry

  ## 拉取镜像
  docker image pull NAME[:TAG|@DIGEST]

  ---

• push

  Push an image or a repository to a registry

  ## 推送镜像
  docker image push NAME[:TAG]

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2. 查看操作

• ls

  List images

  ## 列举镜像
  docker image ls [ --digests | --no-trunc | --quiet ] [REPOSITORY[:TAG]]

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• inspect

  Display detailed information on one or more images

  ## 镜像详细信息
  docker image inspect IMAGE [IMAGE...]

  ---

• history

  Show the history of an image

  ## 镜像历史信息
  docker image history IMAGE

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3. 本地删除

• rm

  Remove one or more images

  ## 在宿主机上, 删除本地镜像
  docker image rm [ --force ] IMAGE [IMAGE...]

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4. 创建标签

• tag

  Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE

  ## 为镜像创建标签
  docker image tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]

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5. 导出导入

• save

  Save one or more images to a tar archive (streamed to STDOUT by default)

  ## 导出镜像
  docker image save --output TAR_FILE IMAGE [IMAGE...]

• load

  Load an image from a tar archive or STDIN

  ## 导入镜像
  docker image load --input TAR_FILE