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Oct 14, 2025
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docs: update --set #3456

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6 changes: 6 additions & 0 deletions docs/reference/buildx_bake.md
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Expand Up @@ -410,6 +410,12 @@ $ docker buildx bake --set foo*.no-cache # bypass caching only fo
$ docker buildx bake --set target.platform+=linux/arm64 # appends 'linux/arm64' to the platform list
```

> [!NOTE]
>
> `--set` is a repeatable flag. For array fields such as `tags`, repeat `--set` to provide multiple values or use the `+=` operator to append without replacing.
> Array literal syntax like `--set target.tags=[a,b]` is not supported.
> The `platform` field is a special case. It also accepts a comma-separated list.

You can override the following fields:

* `annotations`
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