Docker 常用命令——镜像

Docker 常用命令

帮助命令

docker version    --版本信息

docker info       --详细信息

docker --help     --帮助

镜像命令

1.docker images    

    -- List Local images

 

Options:

  -a, --all             Show all images (default hides intermediate images)     #显示所有镜像，包括中间层

      --digests         Show digests                                            #显示摘要

  -f, --filter filter   Filter output based on conditions provided              #依据条件过滤

      --format string   Pretty-print images using a Go template                 #使用go模板显示格式

      --no-trunc        Don't truncate output                                   #显示完整 Image ID

  -q, --quiet           Only show numeric IDs                                   #只显示Image ID.

​

示例：
docker images
docker images -a
docker images -qa
docker images -a --no-trunc

  

2.docker search

    -- Search the Docker Hub for images 在 Docker Hub 搜索镜像

Options:

      -f, --filter filter Filter output based on conditions provided      #过滤，通常用法 --filter stars=80

          --format string Pretty-print search using a Go template         

          --limit int Max number of search results (default 25)           #显示条目数量

          --no-trunc Don't truncate output                                #显示完整说明

示例：
docker search mysql
------------------------
NAME                                                   DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
mysql                                                  MySQL is a widely used, open-source relation…   7973                [OK]                
mariadb                                                MariaDB is a community-developed fork of MyS…   2671                [OK]                
mysql/mysql-server                                     Optimized MySQL Server Docker images. Create…   598                                     [OK]
​
docker search --filter STARS=200 MYSQL
docker search --filter is-official=true mysql
docker search --filter is-automated=true mysql
docker search --filter stars=200 --limit 2 mysql

3.docker pull

    -- Pull an image or a repository from a registry 拉取镜像

Options:

  -a, --all-tags                Download all tagged images in the repository    #下载所有版本

      --disable-content-trust   Skip image verification (default true)          #默认，跳过镜像验证  

示例：
docker pull mysql
docker pull mysql:5.7.20
docker pull redis
docker pull tomcat
​
[root@localhost ~]# docker pull mysql
Using default tag: latest
latest: Pulling from library/mysql
27833a3ba0a5: Pull complete 
864c283b3c4b: Pull complete 
cea281b2278b: Pull complete 
8f856c14f5af: Pull complete 
9c4f38c23b6f: Pull complete 
1b810e1751b3: Pull complete 
5479aaef3d30: Pull complete 
ded8fa2e1614: Pull complete 
636033ba4d2e: Pull complete 
902e6010661d: Pull complete 
dbe44d2bf055: Pull complete 
e906385f419d: Pull complete 
Digest: sha256:a7cf659a764732a27963429a87eccc8457e6d4af0ee9d5140a3b56e74986eed7
Status: Downloaded newer image for mysql:latest

4.docker rmi

    -- Remove one or more images 删除镜像

Options:

  -f, --force      Force removal of the image        #强制删除镜像

      --no-prune   Do not delete untagged parents    #

示例：
docker rmi hello-world
docker rmi -f hello-world

[root@localhost ~]# docker rmi hello-world
Error response from daemon: conflict: unable to remove repository reference "hello-world" (must force) - container 3af63c5c69c6 is using its referenced image fce289e99eb9
[root@localhost ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                   PORTS               NAMES
3af63c5c69c6        hello-world         "/hello"            5 hours ago         Exited (0) 5 hours ago                       pensive_dubinsky
[root@localhost ~]# docker rmi -f hello-world
Untagged: hello-world:latest
Untagged: hello-world@sha256:2557e3c07ed1e38f26e389462d03ed943586f744621577a99efb77324b0fe535
Deleted: sha256:fce289e99eb9bca977dae136fbe2a82b6b7d4c372474c9235adc1741675f587e
[root@localhost ~]# docker imag
es -a
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
mysql               latest              7bb2586065cd        6 days ago          477MB
[root@localhost ~]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                   PORTS               NAMES
3af63c5c69c6        fce289e99eb9        "/hello"            5 hours ago         Exited (0) 5 hours ago                       pensive_dubinsky
​
# docker pull hello-world
# docker pull nginx
# docker pull redis
# docker pull python
# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
python              latest              59a8c21b72d4        5 days ago          929MB
redis               latest              a55fbf438dfd        6 days ago          95MB
mysql               latest              7bb2586065cd        6 days ago          477MB
nginx               latest              2bcb04bdb83f        6 days ago          109MB
hello-world         latest              fce289e99eb9        3 months ago        1.84kB
​
[root@localhost ~]# docker rmi python hello-world

​