docker save / docker image save

Description

Save one or more images to a tar archive (streamed to STDOUT by default)

Usage

docker image save [OPTIONS] IMAGE [IMAGE...]

Extended description

Produces a tarred repository to the standard output stream. Contains all parent layers, and all tags + versions, or specified repo:tag, for each argument provided.

For example uses of this command, refer to the examples section below.

Options

Name, shorthand	Default	Description
`--output , -o`		Write to a file, instead of STDOUT

Examples

Create a backup that can then be used with `docker load`.

$ docker save busybox > busybox.tar

$ ls -sh busybox.tar

2.7M busybox.tar

$ docker save --output busybox.tar busybox

$ ls -sh busybox.tar

2.7M busybox.tar

$ docker save -o fedora-all.tar fedora

$ docker save -o fedora-latest.tar fedora:latest

Save an image to a tar.gz file using gzip

You can use gzip to save the image file and make the backup smaller.

docker save myimage:latest | gzip > myimage_latest.tar.gz

Cherry-pick particular tags

You can even cherry-pick particular tags of an image repository.

$ docker save -o ubuntu.tar ubuntu:lucid ubuntu:saucy

Parent command

Command	Description
docker image	Manage images

Command	Description
docker image build	Build an image from a Dockerfile
docker image history	Show the history of an image
docker image import	Import the contents from a tarball to create a filesystem image
docker image inspect	Display detailed information on one or more images
docker image load	Load an image from a tar archive or STDIN
docker image ls	List images
docker image prune	Remove unused images
docker image pull	Pull an image or a repository from a registry
docker image push	Push an image or a repository to a registry
docker image rm	Remove one or more images
docker image save	Save one or more images to a tar archive (streamed to STDOUT by default)
docker image tag	Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE