Docker run
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]Run a command in a new container-a stdin: 指定标准输入输出内容类型,可选 STDIN/STDOUT/STDERR 三项;-d: 后台运行容器,并返回容器ID;-i: 以交互模式运行容器,通常与 -t 同时使用;-P: 随机端口映射,容器内部端口随机映射到主机的端口-p: 指定端口映射,格式为:主机(宿主)端口:容器端口-t: 为容器重新分配一个伪输入终端,通常与 -i 同时使用;--name="nginx-lb": 为容器指定一个名称;--dns 8.8.8.8: 指定容器使用的DNS服务器,默认和宿主一致;--dns-search example.com: 指定容器DNS搜索域名,默认和宿主一致;-h "mars": 指定容器的hostname;-e username="ritchie": 设置环境变量;--env-file=[]: 从指定文件读入环境变量;--cpuset="0-2" or --cpuset="0,1,2": 绑定容器到指定CPU运行;-m :设置容器使用内存最大值;--net="bridge": 指定容器的网络连接类型,支持 bridge/host/none/container: 四种类型;--link=[]: 添加链接到另一个容器;--expose=[]: 开放一个端口或一组端口;--volume , -v: 绑定一个卷
Docker ps
Usage: docker ps [OPTIONS]List containersOptions:-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 allstates) (default -1)-l, --latest Show the latest created container (includes allstates)--no-trunc Don't truncate output-q, --quiet Only display numeric IDs-s, --size Display total file sizes
Docker exec
Usage: docker exec [OPTIONS] CONTAINER COMMAND [ARG...]Run a command in a running containerOptions:-d, --detach Detached mode: run command in the background--detach-keys string Override the key sequence for detaching acontainer-e, --env list Set environment variables-i, --interactive Keep STDIN open even if not attached--privileged Give extended privileges to the command-t, --tty Allocate a pseudo-TTY-u, --user string Username or UID (format:<name|uid>[:<group|gid>])-w, --workdir string Working directory inside the container
Docker attach
Usage: docker attach [OPTIONS] CONTAINERAttach local standard input, output, and error streams to a running containerOptions:--detach-keys string Override the key sequence for detaching a container--no-stdin Do not attach STDIN--sig-proxy Proxy all received signals to the process (default true)
exec和attach区别
- exec 开启一个新的终端
- attach 开启正在运行的终端
Docker cp
```shell “docker cp” requires exactly 2 arguments. See ‘docker cp —help’.
Usage: docker cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH|- docker cp [OPTIONS] SRC_PATH|- CONTAINER:DEST_PATH
Copy files/folders between a container and the local filesystem
从容器内拷贝文件到主机- `docker cp containerID:/home/test.txt ./home`<a name="usN9w"></a>### Docker inspect```shellUsage: docker inspect [OPTIONS] NAME|ID [NAME|ID...]Return low-level information on Docker objectsOptions:-f, --format string Format the output using the given Go template-s, --size Display total file sizes if the type is container--type string Return JSON for specified type
