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整理了一些 Docker 常用的基礎(chǔ)命令。

搜索鏡像

使用 search 命令可以搜索存放在 docker hub 上的鏡像。

命令格式如下：

% docker search --help
Usage:  docker search [OPTIONS] TERM
Search the Docker Hub for images
Options:  -f, --filter filter   Filter output based on conditions provided      --format string   Pretty-print search using a Go template      --limit int       Max number of search results (default 25)      --no-trunc        Don't truncate output

例如：

% docker search mysqlNAME                              DESCRIPTION                                     STARS     OFFICIAL   AUTOMATEDmysql                             MySQL is a widely used, open-source relation…   10712     [OK]       mariadb                           MariaDB Server is a high performing open sou…   4029      [OK]       mysql/mysql-server                Optimized MySQL Server Docker images. Create…   785                  [OK]percona                           Percona Server is a fork of the MySQL relati…   529       [OK]       centos/mysql-57-centos7           MySQL 5.7 SQL database server                   87                   mysql/mysql-cluster               Experimental MySQL Cluster Docker images. Cr…   80                   centurylink/mysql                 Image containing mysql. Optimized to be link…   59                   [OK]bitnami/mysql                     Bitnami MySQL Docker Image                      50                   [OK]

下載鏡像

使用 docker pull 可以從 docker registry（ docker 注冊中心）中下載鏡像。

命令格式如下：

% docker pull --help
Usage:  docker pull [OPTIONS] NAME[:TAG|@DIGEST]
Pull an image or a repository from a registry
Options:  -a, --all-tags                Download all tagged images in the repository      --disable-content-trust   Skip image verification (default true)      --platform string         Set platform if server is multi-platform capable  -q, --quiet                   Suppress verbose output

例如：

% docker pull nginx      Using default tag: latestlatest: Pulling from library/nginxa076a628af6f: Already exists 0732ab25fa22: Pull complete d7f36f6fe38f: Pull complete f72584a26f32: Pull complete 7125e4df9063: Pull complete Digest: sha256:10b8cc432d56da8b61b070f4c7d2543a9ed17c2b23010b43af434fd40e2ca4aaStatus: Downloaded newer image for nginx:latestdocker.io/library/nginx:latest

列出鏡像

使用 docker images 可以查看已經(jīng)下載到本地的鏡像。

命令如下：

% docker images --help
Usage:  docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
Options:  -a, --all             Show all images (default hides intermediate images)      --digests         Show digests  -f, --filter filter   Filter output based on conditions provided      --format string   Pretty-print images using a Go template      --no-trunc        Don't truncate output  -q, --quiet           Only show image IDs

例如：

docker images -aREPOSITORY   TAG       IMAGE ID       CREATED        SIZEmysql        latest    c8562eaf9d81   2 months ago   546MBredis        latest    621ceef7494a   2 months ago   104MBnginx        latest    f6d0b4767a6c   2 months ago   133MB

刪除本地的鏡像

使用 docker rmi 命令即可刪除本地鏡像。

% docker rmi --help
Usage:  docker rmi [OPTIONS] IMAGE [IMAGE...]
Remove one or more images
Options:  -f, --force      Force removal of the image      --no-prune   Do not delete untagged parents

例如：

% docker rmi nginxUntagged: nginx:latestUntagged: nginx@sha256:10b8cc432d56da8b61b070f4c7d2543a9ed17c2b23010b43af434fd40e2ca4aaDeleted: sha256:f6d0b4767a6c466c178bf718f99bea0d3742b26679081e52dbf8e0c7c4c42d74Deleted: sha256:4dfe71c4470c5920135f00af483556b09911b72547113512d36dc29bfc5f7445Deleted: sha256:3c90a0917c79b758d74b7040f62d17a7680cd14077f734330b1994a2985283b8Deleted: sha256:a1c538085c6f891424160d8db120ea093d4dda393e94cd4713e3fff3c82299b5Deleted: sha256:a3ee2510dcf02c980d7aff635909612006fd1662084d6225e52e769b984abeb5% docker images --allREPOSITORY   TAG       IMAGE ID       CREATED        SIZEmysql        latest    c8562eaf9d81   2 months ago   546MBredis        latest    621ceef7494a   2 months ago   104MB

創(chuàng)建并運(yùn)行容器

使用 docker run 命令可以創(chuàng)建并運(yùn)行一個容器。

% docker run --name nginx-test -p 8088:80 -d nginxe9e3294f533923438a1bae551b2013d90916488f9e0cc0953282a593d06bf03b

--name：給容器命名

-p：進(jìn)行端口映射 8088 為映射后的物理機(jī)的端口號，80 為 docker 容器的端口

-d：是后臺容器

用瀏覽器訪問本地的 8088 端口，可以看到 nginx 的默認(rèn)頁。

查看容器

可以通過 docker ps 查看運(yùn)行中的容器。

命令如下：

% docker ps --help
Usage:  docker ps [OPTIONS]
List containers
Options:  -a, --all             Show all containers (default shows just running)  -f, --filter filter   Filter output based on conditions provided      --format string   Pretty-print containers using a Go template  -n, --last int        Show n last created containers (includes all states) (default -1)  -l, --latest          Show the latest created container (includes all states)      --no-trunc        Don't truncate output  -q, --quiet           Only display container IDs  -s, --size            Display total file sizes

例如：

% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS                  PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   2 minutes ago   Up 2 minutes            0.0.0.0:8088->80/tcp   nginx-test

停止容器

可以使用 docker stop 來停止運(yùn)行中的容器。

命令如下：

% docker stop --help        
Usage:  docker stop [OPTIONS] CONTAINER [CONTAINER...]
Stop one or more running containers
Options:  -t, --time int   Seconds to wait for stop before killing it (default 10)

命令如下：

% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS          PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   8 minutes ago   Up 35 seconds   0.0.0.0:8088->80/tcp   nginx-test% docker stop e9e3294f5339e9e3294f5339% docker psCONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES

強(qiáng)制停止docker容器

使用 docker kill 來停止 docker 的容器。

命令如下：

% docker kill --help
Usage:  docker kill [OPTIONS] CONTAINER [CONTAINER...]
Kill one or more running containers
Options:  -s, --signal string   Signal to send to the container (default "KILL")

例如：

% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS         PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   11 minutes ago   Up 3 seconds   0.0.0.0:8088->80/tcp   nginx-test% docker kill e9e3294f5339e9e3294f5339% docker psCONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES

啟動停止的容器

可以使用 docker start 來啟動被 stop 或 kill 的容器。

% docker start --help
Usage:  docker start [OPTIONS] CONTAINER [CONTAINER...]
Start one or more stopped containers
Options:  -a, --attach               Attach STDOUT/STDERR and forward signals      --detach-keys string   Override the key sequence for detaching a container  -i, --interactive          Attach container's STDIN

例如：

% docker start e9e3294f5339e9e3294f5339% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS         PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   14 minutes ago   Up 5 seconds   0.0.0.0:8088->80/tcp   nginx-test

重啟容器

可以使用 docker restart 來完成 docker stop 和 docker start 兩個命令的工作

命令如下：

% docker restart --help
Usage:  docker restart [OPTIONS] CONTAINER [CONTAINER...]
Restart one or more containers
Options:  -t, --time int   Seconds to wait for stop before killing the container (default 10)

例如：

% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS         PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   16 minutes ago   Up 2 minutes   0.0.0.0:8088->80/tcp   nginx-test% docker restart e9e3294f5339e9e3294f5339% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS         PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   17 minutes ago   Up 3 seconds   0.0.0.0:8088->80/tcp   nginx-test

是否進(jìn)行了重啟，可以查看status字段。

進(jìn)入容器

可以使用 docker exec 進(jìn)入容器進(jìn)行管理。

命令如下：

 % docker psCONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS          PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   38 minutes ago   Up 14 minutes   0.0.0.0:8088->80/tcp   nginx-test% docker exec -it e9e3294f5339 /bin/bashroot@e9e3294f5339:/# uname -r4.19.121-linuxkit

刪除容器

可以使用 docker rm 來刪除容器。

命令如下：

% docker rm --help
Usage:  docker rm [OPTIONS] CONTAINER [CONTAINER...]
Remove one or more containers
Options:  -f, --force     Force the removal of a running container (uses SIGKILL)  -l, --link      Remove the specified link  -v, --volumes   Remove anonymous volumes associated with the container

例如：

% docker psCONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS          PORTS                  NAMESe9e3294f5339   nginx     "/docker-entrypoint.…"   56 minutes ago   Up 33 minutes   0.0.0.0:8088->80/tcp   nginx-test% docker stop e9e3294f5339e9e3294f5339% docker psCONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES% docker ps -allCONTAINER ID   IMAGE     COMMAND                  CREATED      STATUS                  PORTS     NAMES5669d0d7c177   mysql     "docker-entrypoint.s…"   7 days ago   Exited (0) 5 days ago             mysql-new

總結(jié)

上面的命令，基本上就把常用的對于鏡像和容器的命令進(jìn)行了整理。希望對你有幫助。

Docker常用命令