29d01b7dde
We now advise people to configure docker group and add to sudo. Mac shouldn't use sudo. Removed sudo from command examples. Left in installation to be removed in installation doc sweep -- removing requires finer grain control. Signed-off-by: Mary Anthony <mary@docker.com>
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% DOCKER(1) Docker User Manuals % Docker Community % JUNE 2014
NAME
docker-save - Save an image(s) to a tar archive (streamed to STDOUT by default)
SYNOPSIS
docker save [--help] [-o|--output[=OUTPUT]] IMAGE [IMAGE...]
DESCRIPTION
Produces a tarred repository to the standard output stream. Contains all parent layers, and all tags + versions, or specified repo:tag.
Stream to a file instead of STDOUT by using -o.
OPTIONS
--help Print usage statement
-o, --output="" Write to a file, instead of STDOUT
EXAMPLES
Save all fedora repository images to a fedora-all.tar and save the latest fedora image to a fedora-latest.tar:
$ docker save fedora > fedora-all.tar
$ docker save --output=fedora-latest.tar fedora:latest
$ ls -sh fedora-all.tar
721M fedora-all.tar
$ ls -sh fedora-latest.tar
367M fedora-latest.tar
See also
docker-load(1) to load an image from a tar archive on STDIN.
HISTORY
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 November 2014, updated by Sven Dowideit SvenDowideit@home.org.au