% DOCKER(1) Docker User Manuals % Docker Community % JUNE 2014
docker-import - Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.
docker import [-c|--change[=[]]] [-m|--message[=MESSAGE]] [--help] file|URL|-[REPOSITORY[:TAG]]
-c, --change=[] Apply specified Dockerfile instructions while importing the image Supported Dockerfile instructions: CMD
|ENTRYPOINT
|ENV
|EXPOSE
|ONBUILD
|USER
|VOLUME
|WORKDIR
--help Print usage statement
-m, --message="" Set commit message for imported image
Create a new filesystem image from the contents of a tarball (.tar
, .tar.gz
, .tgz
, .bzip
, .tar.xz
, .txz
) into it, then optionally tag it.
# docker import http://example.com/exampleimage.tgz example/imagerepo
Import to docker via pipe and stdin:
# cat exampleimage.tgz | docker import - example/imagelocal
Import with a commit message.
# cat exampleimage.tgz | docker import --message "New image imported from tarball" - exampleimagelocal:new
Import to a Docker image from a local file.
# docker import /path/to/exampleimage.tgz
Import to docker via pipe and stdin:
# cat exampleimageV2.tgz | docker import - example/imagelocal:V-2.0
# tar -c . | docker import - exampleimagedir
This example sets the docker image ENV variable DEBUG to true by default.
# tar -c . | docker import -c="ENV DEBUG true" - exampleimagedir
docker-export(1) to export the contents of a filesystem as a tar archive to STDOUT.
April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on docker.com source material and internal work. June 2014, updated by Sven Dowideit SvenDowideit@home.org.au