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imagetools: fix merging JSON descriptor with old one

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
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Tonis Tiigi
2021-04-09 10:49:15 -07:00
parent ab09846df7
commit 328441cdc6
3 changed files with 60 additions and 9 deletions
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13
docs/reference/buildx_imagetools_create.md
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@ -50,6 +50,19 @@ Use the `--dry-run` flag to not push the image, just show it.
Reads source from files. A source can be a manifest digest, manifest reference,
or a JSON of OCI descriptor object.
In order to define annotations or additional platform properties like `os.version` and
`os.features` you need to add them in the OCI descriptor object encoded in JSON.
```
docker buildx imagetools inspect --raw alpine | jq '.manifests[0] | .platform."os.version"="10.1"' > descr.json
docker buildx imagetools create -f descr.json myuser/image
```
The descriptor in the file is merged with existing descriptor in the registry if it exists.
The supported fields for the descriptor are defined in [OCI spec](https://github.com/opencontainers/image-spec/blob/master/descriptor.md#properties) .
### <a name="tag"></a> Set reference for new image (-t, --tag)
```