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dockerHow to extract file from docker image


In order to extract file from docker image, we will create temporary container, copy the file and then delete container.

docker run --name=tmp ubuntu
docker cp tmp:/etc/passwd /tmp
docker rm tmpctrl + c
docker run

launch container

--name=tmp

set it's name to tmp

ubuntu

name of the image to create container from

docker cp

copy file from container to local machine

tmp

name of the container to copy from

/etc/passwd

file which we need to extract

/tmp

local path to copy file to

docker rm tmp

remove tmp container