Docker 常用命令

官方文档：https://docs.docker.com/engine/reference/commandline

docker info

Display system-wide information

docker inspect

Return low-level information on Docker objects

docker inspect [OPTIONS] NAME|ID [NAME|ID...]

docker ps

查看运行的 docker 容器

docker images

查看 docker 镜像

docker rm

Remove one or more containers

docker rm [OPTIONS] CONTAINER [CONTAINER...]

# 删除所有已经停止的容器
docker rm $(docker ps -a -q)

docker rmi

Remove one or more images

docker rmi [OPTIONS] IMAGE [IMAGE...]

docker start

Start one or more stopped containers

docker start [OPTIONS] CONTAINER [CONTAINER...]

docker stop

Stop one or more running containers

docker stop [OPTIONS] CONTAINER [CONTAINER...]

docker restart

Restart one or more containers

docker restart [OPTIONS] CONTAINER [CONTAINER...]

docker port

List port mappings or a specific mapping for the container

docker port CONTAINER [PRIVATE_PORT[/PROTO]]

docker run

Run a command in a new container

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

docker exec

Run a command in a running container

docker exec [OPTIONS] CONTAINER COMMAND [ARG...]

进入 docker 容器

docker exec -it container_name /bin/bash

docker exec -it ubuntu_bash bash

执行 docker 容器里的命令

docker exec -ti my_container sh -c "echo a && echo b"
# 解压文件
docker exec -it container_name tar -vxf a.tar

# 使用docker容器的root用户执行
docker exec -u root <container> <command>

docker cp

Copy files/folders between a container and the local filesystem

docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH|-
docker cp [OPTIONS] SRC_PATH|- CONTAINER:DEST_PATH

docker commit

Create a new image from a container’s changes

docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

docker build

Build an image from a Dockerfile

docker build [OPTIONS] PATH | URL | -