目錄 搜尋
Compose About versions and upgrading (Compose) ASP.NET Core + SQL Server on Linux (Compose) CLI environment variables (Compose) Command-line completion (Compose) Compose(组成) Compose command-line reference(组合命令行参考) Control startup order (Compose) Django and PostgreSQL (Compose) Docker stacks and distributed application bundles (Compose) docker-compose build(docker-compose构建) docker-compose bundle docker-compose config docker-compose create docker-compose down docker-compose events docker-compose exec docker-compose help docker-compose images docker-compose kill docker-compose logs docker-compose pause docker-compose port docker-compose ps docker-compose pull docker-compose push docker-compose restart docker-compose rm docker-compose run docker-compose scale docker-compose start docker-compose stop docker-compose top docker-compose unpause docker-compose up Environment file (Compose) Environment variables in Compose Extend services in Compose Frequently asked questions (Compose) Getting started (Compose) Install Compose Link environment variables (deprecated) (Compose) Networking in Compose Overview of Docker Compose Overview of docker-compose CLI Quickstart: Compose and WordPress Rails and PostgreSQL (Compose) Sample apps with Compose Using Compose in production Using Compose with Swarm Engine .NET Core application (Engine) About images, containers, and storage drivers (Engine) Add nodes to the swarm (Engine) Apply custom metadata (Engine) Apply rolling updates (Engine) apt-cacher-ng Best practices for writing Dockerfiles (Engine) Binaries (Engine) Bind container ports to the host (Engine) Breaking changes (Engine) Build your own bridge (Engine) Configure container DNS (Engine) Configure container DNS in user-defined networks (Engine) CouchDB (Engine) Create a base image (Engine) Create a swarm (Engine) Customize the docker0 bridge (Engine) Debian (Engine) Default bridge network Delete the service (Engine) Deploy a service (Engine) Deploy services to a swarm (Engine) Deprecated Engine features Docker container networking (Engine) Docker overview (Engine) Docker run reference (Engine) Dockerfile reference (Engine) Dockerize an application Drain a node (Engine) Engine FAQ (Engine) Fedora (Engine) Get started (Engine) Get started with macvlan network driver (Engine) Get started with multi-host networking (Engine) How nodes work (Engine) How services work (Engine) Image management (Engine) Inspect the service (Engine) Install Docker (Engine) IPv6 with Docker (Engine) Join nodes to a swarm (Engine) Legacy container links (Engine) Lock your swarm (Engine) Manage nodes in a swarm (Engine) Manage sensitive data with Docker secrets (Engine) Manage swarm security with PKI (Engine) Manage swarm service networks (Engine) Migrate to Engine 1.10 Optional Linux post-installation steps (Engine) Overview (Engine) PostgreSQL (Engine) Raft consensus in swarm mode (Engine) Riak (Engine) Run Docker Engine in swarm mode Scale the service (Engine) SDKs (Engine) Select a storage driver (Engine) Set up for the tutorial (Engine) SSHd (Engine) Storage driver overview (Engine) Store service configuration data (Engine) Swarm administration guide (Engine) Swarm mode key concepts (Engine) Swarm mode overlay network security model (Engine) Swarm mode overview (Engine) Understand container communication (Engine) Use multi-stage builds (Engine) Use swarm mode routing mesh (Engine) Use the AUFS storage driver (Engine) Use the Btrfs storage driver (Engine) Use the Device mapper storage driver (Engine) Use the OverlayFS storage driver (Engine) Use the VFS storage driver (Engine) Use the ZFS storage driver (Engine) Engine: Admin Guide Amazon CloudWatch logs logging driver (Engine) Bind mounts (Engine) Collect Docker metrics with Prometheus (Engine) Configuring and running Docker (Engine) Configuring logging drivers (Engine) Control and configure Docker with systemd (Engine) ETW logging driver (Engine) Fluentd logging driver (Engine) Format command and log output (Engine) Google Cloud logging driver (Engine) Graylog Extended Format (GELF) logging driver (Engine) Journald logging driver (Engine) JSON File logging driver (Engine) Keep containers alive during daemon downtime (Engine) Limit a container's resources (Engine) Link via an ambassador container (Engine) Log tags for logging driver (Engine) Logentries logging driver (Engine) PowerShell DSC usage (Engine) Prune unused Docker objects (Engine) Run multiple services in a container (Engine) Runtime metrics (Engine) Splunk logging driver (Engine) Start containers automatically (Engine) Storage overview (Engine) Syslog logging driver (Engine) tmpfs mounts Troubleshoot volume problems (Engine) Use a logging driver plugin (Engine) Using Ansible (Engine) Using Chef (Engine) Using Puppet (Engine) View a container's logs (Engine) Volumes (Engine) Engine: CLI Daemon CLI reference (dockerd) (Engine) docker docker attach docker build docker checkpoint docker checkpoint create docker checkpoint ls docker checkpoint rm docker commit docker config docker config create docker config inspect docker config ls docker config rm docker container docker container attach docker container commit docker container cp docker container create docker container diff docker container exec docker container export docker container inspect docker container kill docker container logs docker container ls docker container pause docker container port docker container prune docker container rename docker container restart docker container rm docker container run docker container start docker container stats docker container stop docker container top docker container unpause docker container update docker container wait docker cp docker create docker deploy docker diff docker events docker exec docker export docker history docker image docker image build docker image history docker image import docker image inspect docker image load docker image ls docker image prune docker image pull docker image push docker image rm docker image save docker image tag docker images docker import docker info docker inspect docker kill docker load docker login docker logout docker logs docker network docker network connect docker network create docker network disconnect docker network inspect docker network ls docker network prune docker network rm docker node docker node demote docker node inspect docker node ls docker node promote docker node ps docker node rm docker node update docker pause docker plugin docker plugin create docker plugin disable docker plugin enable docker plugin inspect docker plugin install docker plugin ls docker plugin push docker plugin rm docker plugin set docker plugin upgrade docker port docker ps docker pull docker push docker rename docker restart docker rm docker rmi docker run docker save docker search docker secret docker secret create docker secret inspect docker secret ls docker secret rm docker service docker service create docker service inspect docker service logs docker service ls docker service ps docker service rm docker service scale docker service update docker stack docker stack deploy docker stack ls docker stack ps docker stack rm docker stack services docker start docker stats docker stop docker swarm docker swarm ca docker swarm init docker swarm join docker swarm join-token docker swarm leave docker swarm unlock docker swarm unlock-key docker swarm update docker system docker system df docker system events docker system info docker system prune docker tag docker top docker unpause docker update docker version docker volume docker volume create docker volume inspect docker volume ls docker volume prune docker volume rm docker wait Use the Docker command line (Engine) Engine: Extend Access authorization plugin (Engine) Docker log driver plugins Docker network driver plugins (Engine) Extending Engine with plugins Managed plugin system (Engine) Plugin configuration (Engine) Plugins API (Engine) Volume plugins (Engine) Engine: Security AppArmor security profiles for Docker (Engine) Automation with content trust (Engine) Content trust in Docker (Engine) Delegations for content trust (Engine) Deploying Notary (Engine) Docker security (Engine) Docker security non-events (Engine) Isolate containers with a user namespace (Engine) Manage keys for content trust (Engine) Play in a content trust sandbox (Engine) Protect the Docker daemon socket (Engine) Seccomp security profiles for Docker (Engine) Secure Engine Use trusted images Using certificates for repository client verification (Engine) Engine: Tutorials Engine tutorials Network containers (Engine) Get Started Part 1: Orientation Part 2: Containers Part 3: Services Part 4: Swarms Part 5: Stacks Part 6: Deploy your app Machine Amazon Web Services (Machine) Digital Ocean (Machine) docker-machine active docker-machine config docker-machine create docker-machine env docker-machine help docker-machine inspect docker-machine ip docker-machine kill docker-machine ls docker-machine provision docker-machine regenerate-certs docker-machine restart docker-machine rm docker-machine scp docker-machine ssh docker-machine start docker-machine status docker-machine stop docker-machine upgrade docker-machine url Driver options and operating system defaults (Machine) Drivers overview (Machine) Exoscale (Machine) Generic (Machine) Get started with a local VM (Machine) Google Compute Engine (Machine) IBM Softlayer (Machine) Install Machine Machine Machine CLI overview Machine command-line completion Machine concepts and help Machine overview Microsoft Azure (Machine) Microsoft Hyper-V (Machine) Migrate from Boot2Docker to Machine OpenStack (Machine) Oracle VirtualBox (Machine) Provision AWS EC2 instances (Machine) Provision Digital Ocean Droplets (Machine) Provision hosts in the cloud (Machine) Rackspace (Machine) VMware Fusion (Machine) VMware vCloud Air (Machine) VMware vSphere (Machine) Notary Client configuration (Notary) Common Server and signer configurations (Notary) Getting started with Notary Notary changelog Notary configuration files Running a Notary service Server configuration (Notary) Signer configuration (Notary) Understand the service architecture (Notary) Use the Notary client
文字

描述

复制容器和本地文件系统之间的文件/文件夹

用法

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

选项

Name, shorthand

Default

Description

--archive, -a

false

Archive mode (copy all uid/gid information)

--follow-link, -L

false

Always follow symbol link in SRC_PATH

父命令

命令

描述

docker

Docker CLI的基本命令。

扩展描述

docker cp实用程序将内容复制SRC_PATHDEST_PATH。您可以从容器的文件系统复制到本地机器或从本地文件系统复制到容器。如果-SRC_PATHor 指定DEST_PATH,您也可以从一个STDIN或多个流向tar存档STDOUT。该CONTAINER可以是运行或停止容器。该SRC_PATHDEST_PATH可以是文件或目录。

docker cp命令假定容器路径与容器的/(根)目录相关。这意味着提供初始正斜杠是可选的; 该命令看起来compassionate_darwin:/tmp/foo/myfile.txtcompassionate_darwin:tmp/foo/myfile.txt完全相同。本地机器路径可以是绝对值或相对值。该命令将本地机器的相对路径解释为相对于当前运行的工作目录docker cp

cp命令的行为与 Unix cp -a命令类似,即在可能的情况下保留权限时递归复制目录。所有权设置为目标用户和主要组。例如,复制到容器的文件是由UID:GIDroot用户创建的。复制到本地机器的文件是由UID:GID调用该docker cp命令的用户创建的。但是,如果指定了该-a选项,docker cp则将所有权设置为源用户和主组。如果您指定了该-L选项,请docker cp遵循中的任何符号链接SRC_PATHdocker cp没有创建父目录DEST_PATH,如果它们不存在。

假设一个路径分隔符为/,第一个参数SRC_PATH和第二个参数DEST_PATH的行为如下所示:

  • SRC_PATH 指定一个文件

    • 该文件被保存到创建的文件中 DEST_PATH

    • DEST_PATH 不存在

-  `DEST_PATH` does not exist and ends with `/` 
    - Error condition: the destination directory must exist.
-  `DEST_PATH` exists and is a file 
    - the destination is overwritten with the source file’s contents
-  `DEST_PATH` exists and is a directory 
    - the file is copied into this directory using the basename from `SRC_PATH`
  • SRC_PATH 指定一个目录

    • DEST_PATH被创建为一个目录,源目录的内容被复制到这个目录中

    • DEST_PATH 不存在

-  `DEST_PATH` exists and is a file 
    - Error condition: cannot copy a directory to a file
-  `DEST_PATH` exists and is a directory 
    -  `SRC_PATH` does not end with `/.` (that is: _slash_ followed by _dot_) 
        - the source directory is copied into this directory
    -  `SRC_PATH` does end with `/.` (that is: _slash_ followed by _dot_) 
        - the _content_ of the source directory is copied into this directory

命令需要SRC_PATHDEST_PATH按照上述规则存在。如果SRC_PATH是本地的并且是符号链接,则默认情况下复制符号链接而不是目标。要复制链接目标而不是链接,请指定该-L选项。

冒号(:)用作CONTAINER它和路径之间的分隔符。例如,您也可以:在指定路径到本地机器SRC_PATHDEST_PATH本地机器时使用file:name.txt。如果在本地机器路径中使用: ,则必须使用相对路径或绝对路径进行显式指定,例如:

`/path/to/file:name.txt` or `./file:name.txt`

这是不可能复制某些系统文件,如在资源/proc/sys/dev在容器中的用户创建,tmpfs 的,和坐骑。但是,您仍然可以通过手动运行tar来复制这些文件docker exec。以下两个示例以不同的方式执行相同的操作(考虑SRC_PATH并且DEST_PATH是目录):

$ docker exec foo tar Ccf $(dirname SRC_PATH) - $(basename SRC_PATH) | tar Cxf DEST_PATH -
$ tar Ccf $(dirname SRC_PATH) - $(basename SRC_PATH) | docker exec -i foo tar Cxf DEST_PATH -

使用-作为SRC_PATH流的内容STDIN作为一个 tar 归档。该命令将tar的内容提取到DEST_PATH容器的文件系统中。在这种情况下,DEST_PATH必须指定一个目录。使用-作为DEST_PATH流的资源作为一个tar归档的内容STDOUT

上一篇: 下一篇: