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78 lines
2.6 KiB
Markdown
78 lines
2.6 KiB
Markdown
# buildx imagetools create
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```
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docker buildx imagetools create [OPTIONS] [SOURCE] [SOURCE...]
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```
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<!---MARKER_GEN_START-->
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Create a new image based on source images
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### Options
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| Name | Type | Default | Description |
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| --- | --- | --- | --- |
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| [`--append`](#append) | | | Append to existing manifest |
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| [`--builder`](#builder) | `string` | | Override the configured builder instance |
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| [`--dry-run`](#dry-run) | | | Show final image instead of pushing |
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| [`-f`](#file), [`--file`](#file) | `stringArray` | | Read source descriptor from file |
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| [`-t`](#tag), [`--tag`](#tag) | `stringArray` | | Set reference for new image |
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<!---MARKER_GEN_END-->
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## Description
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Create a new manifest list based on source manifests. The source manifests can
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be manifest lists or single platform distribution manifests and must already
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exist in the registry where the new manifest is created. If only one source is
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specified, create performs a carbon copy.
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## Examples
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### <a name="append"></a> Append new sources to an existing manifest list (--append)
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Use the `--append` flag to append the new sources to an existing manifest list
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in the destination.
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### <a name="builder"></a> Override the configured builder instance (--builder)
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Same as [`buildx --builder`](buildx.md#builder).
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### <a name="dry-run"></a> Show final image instead of pushing (--dry-run)
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Use the `--dry-run` flag to not push the image, just show it.
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### <a name="file"></a> Read source descriptor from a file (-f, --file)
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```
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-f FILE or --file FILE
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```
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Reads source from files. A source can be a manifest digest, manifest reference,
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or a JSON of OCI descriptor object.
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In order to define annotations or additional platform properties like `os.version` and
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`os.features` you need to add them in the OCI descriptor object encoded in JSON.
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```console
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$ docker buildx imagetools inspect --raw alpine | jq '.manifests[0] | .platform."os.version"="10.1"' > descr.json
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$ docker buildx imagetools create -f descr.json myuser/image
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```
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The descriptor in the file is merged with existing descriptor in the registry if it exists.
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The supported fields for the descriptor are defined in [OCI spec](https://github.com/opencontainers/image-spec/blob/master/descriptor.md#properties) .
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### <a name="tag"></a> Set reference for new image (-t, --tag)
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```
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-t IMAGE or --tag IMAGE
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```
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Use the `-t` or `--tag` flag to set the name of the image to be created.
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```console
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$ docker buildx imagetools create --dry-run alpine@sha256:5c40b3c27b9f13c873fefb2139765c56ce97fd50230f1f2d5c91e55dec171907 sha256:c4ba6347b0e4258ce6a6de2401619316f982b7bcc529f73d2a410d0097730204
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$ docker buildx imagetools create -t tonistiigi/myapp -f image1 -f image2
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```
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