How do I copy a file from docker container to host?

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I don't want to install all the runtimes and libraries on the agents themselves so I am thinking to use docker to build my dependencies on a continuous integration server. To achieve this I would need to copy the build artifacts that are built inside the container back into the host.

How do I do that?

Can anyone help me with this.


Aug 27, 2018 in Docker by Damon Salvatore
• 5,470 points

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+1 vote

Here is a way which you can try if you want to copy a file from a container to the host. you can use the below command:

docker cp <containerId>:/file/path/within/container /host/path/target

Here's an example:

[sam@dev]$ sudo docker cp goofy_roentgen:/out_read.jpg .

Here goofy_roentgen is the name I got from the following command:

[sam@dev]$ sudo docker ps
[sudo] password for jalal:
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                            NAMES
1b4ad9311e93        bamos/openface      "/bin/bash"         33 minutes ago      Up 33 minutes>8000/tcp,>9000/tcp   goofy_roentge

I hope it will resolve your query.

answered Aug 27, 2018 by Damon Salvatore
• 5,470 points

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