blob: 23fc67121043e296fbad4d31a4dbab24869142f5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
<!--[metadata]>
+++
title = "save"
description = "The save command description and usage"
keywords = ["tarred, repository, backup"]
[menu.main]
parent = "smn_cli"
+++
<![end-metadata]-->
# save
Usage: docker save [OPTIONS] IMAGE [IMAGE...]
Save one or more images to a tar archive (streamed to STDOUT by default)
--help Print usage
-o, --output="" Write to a file, instead of STDOUT
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.
It is used to 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
It is even useful to cherry-pick particular tags of an image repository
$ docker save -o ubuntu.tar ubuntu:lucid ubuntu:saucy
|