38 lines
1.0 KiB
Markdown
38 lines
1.0 KiB
Markdown
<!--[metadata]>
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+++
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title = "save"
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description = "The save command description and usage"
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keywords = ["tarred, repository, backup"]
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[menu.main]
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parent = "smn_cli"
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+++
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<![end-metadata]-->
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# save
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Usage: docker save [OPTIONS] IMAGE [IMAGE...]
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Save an image(s) to a tar archive (streamed to STDOUT by default)
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--help Print usage
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-o, --output="" Write to a file, instead of STDOUT
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Produces a tarred repository to the standard output stream.
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Contains all parent layers, and all tags + versions, or specified `repo:tag`, for
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each argument provided.
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It is used to create a backup that can then be used with `docker load`
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$ docker save busybox > busybox.tar
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$ 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
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It is even useful to cherry-pick particular tags of an image repository
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$ docker save -o ubuntu.tar ubuntu:lucid ubuntu:saucy
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