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docs: explain how onlatest works #571

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docs: explain how `onlatest` works
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10 changes: 6 additions & 4 deletions README.md
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Expand Up @@ -402,10 +402,12 @@ flavor: |
```

* `latest=<auto|true|false>`: Handle [latest tag](#latest-tag) (default `auto`)
* `prefix=<string>,onlatest=<true|false>`: A global prefix for each generated
tag and optionally for `latest`
* `suffix=<string>,onlatest=<true|false>`: A global suffix for each generated
tag and optionally for `latest`
* `prefix=<string>,onlatest=<false|true>`: A global prefix for each generated
tag.
* `suffix=<string>,onlatest=<false|true>`: A global suffix for each generated
tag.

The `prefix` and `suffix` flavor settings can set `onlatest=true` (default: `false`) to additionally apply the affix to the [`latest` tag](#latest-tag) (_when it is added via the `flavor.latest` condition_). See also [this comment](https://github.com/docker/metadata-action/issues/567#issuecomment-3579068205) for more info.

## `tags` input

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