将文件从主机复制到Docker容器 [英] Copying files from host to Docker container
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问题描述
我已经创建了Docker基础映像, ubuntu:base
,并且不希望每次使用Docker文件重建它,以便向其添加文件。
I要创建一个从主机运行的脚本,并使用 ubuntu:base
Docker映像创建一个新的容器,然后将文件复制到该容器中。
如何将文件从主机复制到容器?
解决方案
cp
命令可用于此。例如:
docker cp foo.txt mycontainer:/foo.txt
docker cp mycontainer:/foo.txt foo.txt
I am trying to build a backup and restore solution for the Docker containers that we work with.
I have Docker base image that I have created, ubuntu:base
, and do not want have to rebuild it each time with a Docker file to add files to it.
I want to create a script that runs from the host machine and creates a new container using the ubuntu:base
Docker image and then copies files into that container.
How can I copy files from the host to the container?
解决方案
The cp
command can be used for that. For example:
docker cp foo.txt mycontainer:/foo.txt
docker cp mycontainer:/foo.txt foo.txt
Reference: Docker CLI docs for cp
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