Docker and host file interlock

From: http://blog.csdn.net/yangzhenping/article/details/43667785 Click Open link

How to copy data inside and outside the Docker container.

Copy files from the container to the host [plain] view plain copy docker CP <containerid>:/file/path/within/container/host/path/target

Copy files from host to container

Reference from:

Http://stackoverflow.com/questions/22907231/copying-files-from-host-to-docker-container
1. Use-V Mount host data volume to container

[Plain] View plain copy docker run-v/path/to/hostdir:/mnt $container copy in Container Cp/mnt/sourcefile/path/to/destfile

2. Copy to the container physical storage system directly on the host

A. Get the container name or ID:
[Plain] View plain copy $ docker PS

B. Get the ID of the entire container
[Plain] View plain copy $ docker inspect-f ' {{. ID} ' Step a gets the name or ID

C. Copy files on the host:
[Plain] View plain copy $ sudo cp path-file-host/var/lib/docker/aufs/mnt/full_container_id/path-new-file or $ sudo CP Path-file-host/var/lib/docker/devicemapper/mnt/123abc<<id>>/rootfs/root

Example:
[plain]  View plain  copy $ docker ps      container id       image    command       created       STATUS       PORTS         NAMES      D8e703d7e303   solidleon/ssh:latest       /usr/sbin/sshd -D                       cranky_pare      $ docker inspect -f    ' {{. Id} '  cranky_pare      or    $ docker inspect -f     ' {{. Id} '  d8e703d7e303      d8e703d7e3039a6df6d01bd7fb58d1882e592a85059eb16c4b83cf91847f88e5      $&NBSP;SUDO&Nbsp;cp file.txt /var/lib/docker/aufs/mnt/** d8e703d7e3039a6df6d01bd7fb58d1882e592a85059eb16c4b83cf91847f88e5  

3. With the input output character

[Plain] View plain copy docker run-i ubuntu/bin/bash-c ' cat >/path/to/container/file ' </path/to/host/file/

Or
[Plain] View plain copy docker exec-it <container_id> bash-c ' cat >/path/to/container/file ' </path/to/ho st/file/