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docker save
Estimated reading time: 1 minute
Description
Save one or more images to a tar archive (streamed to STDOUT by default)
Usage
docker save [OPTIONS] IMAGE [IMAGE...]
Options
| Name, shorthand | Default | Description |
--output , -o | Write to a file, instead of STDOUT |
Parent command
| Command | Description |
|---|---|
| docker | The base command for the Docker CLI. |
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.
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
Cherry-pick particular tags
You can even cherry-pick particular tags of an image repository.
$ docker save -o ubuntu.tar ubuntu:lucid ubuntu:saucydocker load
Estimated reading time: 1 minute
Description
Load an image from a tar archive or STDIN
Usage
docker load [OPTIONS]
Options
| Name, shorthand | Default | Description |
--input , -i | Read from tar archive file, instead of STDIN | |
--quiet , -q | Suppress the load output |
Parent command
| Command | Description |
|---|---|
| docker | The base command for the Docker CLI. |
Extended description
Load an image or repository from a tar archive (even if compressed with gzip, bzip2, or xz) from a file or STDIN. It restores both images and tags.
Examples
$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
$ docker load < busybox.tar.gz
Loaded image: busybox:latest
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
busybox latest 769b9341d937 7 weeks ago 2.489 MB
$ docker load --input fedora.tar
Loaded image: fedora:rawhide
Loaded image: fedora:20
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
busybox latest 769b9341d937 7 weeks ago 2.489 MB
fedora rawhide 0d20aec6529d 7 weeks ago 387 MB
fedora 20 58394af37342 7 weeks ago 385.5 MB
fedora heisenbug 58394af37342 7 weeks ago 385.5 MB
fedora latest 58394af37342 7 weeks ago 385.5 MB