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