| # save |
| |
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| Save one or more images to a tar archive (streamed to STDOUT by default) |
| |
| ### Aliases |
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| `docker image save`, `docker save` |
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| ### Options |
| |
| | Name | Type | Default | Description | |
| |:-----------------|:---------|:--------|:-----------------------------------| |
| | `-o`, `--output` | `string` | | Write to a file, instead of STDOUT | |
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| ## Description |
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| 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`. |
| |
| ```console |
| $ docker save busybox > busybox.tar |
| |
| $ ls -sh busybox.tar |
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| 2.7M busybox.tar |
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| $ docker save --output busybox.tar busybox |
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| $ ls -sh busybox.tar |
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| 2.7M busybox.tar |
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| $ docker save -o fedora-all.tar fedora |
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| $ docker save -o fedora-latest.tar fedora:latest |
| ``` |
| |
| ### Save an image to a tar.gz file using gzip |
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| You can use gzip to save the image file and make the backup smaller. |
| |
| ```console |
| $ docker save myimage:latest | gzip > myimage_latest.tar.gz |
| ``` |
| |
| ### Cherry-pick particular tags |
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| You can even cherry-pick particular tags of an image repository. |
| |
| ```console |
| $ docker save -o ubuntu.tar ubuntu:lucid ubuntu:saucy |
| ``` |