将文件从主机复制到docker容器 [英] Copying files from host to docker container
问题描述
我试图为我们使用的docker容器建立一个备份和恢复解决方案。
我已经创建了Docker基础镜像 ubuntu:base
,并且不想每次使用dockerfile重建它以添加文件。
一个从主机运行的脚本,使用 ubuntu:base
docker映像创建一个新容器,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
可以使用 cp
命令。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 dockerfile 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. But I am stuck copy files on the container
How can I copy files from the host to the container?
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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