readme: update following latest buildx/buildkit releases

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
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CrazyMax 2024-04-15 09:50:33 +02:00
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@ -118,14 +118,6 @@ to the default Git context:
tags: user/app:latest tags: user/app:latest
``` ```
> **Warning**
>
> Subdirectory for Git context is available from [BuildKit v0.9.0](https://github.com/moby/buildkit/releases/tag/v0.9.0).
> If you're using the `docker` builder (default if `setup-buildx-action` not used),
> then BuildKit in Docker Engine will be used. As Docker Engine < v22.x.x embeds
> Buildkit 0.8.2 at the moment, it does not support this feature. It's therefore
> required to use the `setup-buildx-action` at the moment.
Building from the current repository automatically uses the [GitHub Token](https://docs.github.com/en/actions/security-guides/automatic-token-authentication), Building from the current repository automatically uses the [GitHub Token](https://docs.github.com/en/actions/security-guides/automatic-token-authentication),
so it does not need to be passed. If you want to authenticate against another so it does not need to be passed. If you want to authenticate against another
private repository, you have to use a [secret](https://docs.docker.com/build/ci/github-actions/secrets) private repository, you have to use a [secret](https://docs.docker.com/build/ci/github-actions/secrets)
@ -232,7 +224,7 @@ Following inputs can be used as `step.with` keys
| `network` | String | Set the networking mode for the `RUN` instructions during build | | `network` | String | Set the networking mode for the `RUN` instructions during build |
| `no-cache` | Bool | Do not use cache when building the image (default `false`) | | `no-cache` | Bool | Do not use cache when building the image (default `false`) |
| `no-cache-filters` | List/CSV | Do not cache specified stages | | `no-cache-filters` | List/CSV | Do not cache specified stages |
| `outputs`¹ | List | List of [output destinations](https://docs.docker.com/engine/reference/commandline/buildx_build/#output) (format: `type=local,dest=path`) | | `outputs` | List | List of [output destinations](https://docs.docker.com/engine/reference/commandline/buildx_build/#output) (format: `type=local,dest=path`) |
| `platforms` | List/CSV | List of [target platforms](https://docs.docker.com/engine/reference/commandline/buildx_build/#platform) for build | | `platforms` | List/CSV | List of [target platforms](https://docs.docker.com/engine/reference/commandline/buildx_build/#platform) for build |
| `provenance` | Bool/String | Generate [provenance](https://docs.docker.com/build/attestations/slsa-provenance/) attestation for the build (shorthand for `--attest=type=provenance`) | | `provenance` | Bool/String | Generate [provenance](https://docs.docker.com/build/attestations/slsa-provenance/) attestation for the build (shorthand for `--attest=type=provenance`) |
| `pull` | Bool | Always attempt to pull all referenced images (default `false`) | | `pull` | Bool | Always attempt to pull all referenced images (default `false`) |
@ -248,10 +240,6 @@ Following inputs can be used as `step.with` keys
| `ulimit` | List | [Ulimit](https://docs.docker.com/engine/reference/commandline/buildx_build/#ulimit) options (e.g., `nofile=1024:1024`) | | `ulimit` | List | [Ulimit](https://docs.docker.com/engine/reference/commandline/buildx_build/#ulimit) options (e.g., `nofile=1024:1024`) |
| `github-token` | String | GitHub Token used to authenticate against a repository for [Git context](#git-context) (default `${{ github.token }}`) | | `github-token` | String | GitHub Token used to authenticate against a repository for [Git context](#git-context) (default `${{ github.token }}`) |
> **Note**
>
> * ¹ multiple `outputs` are [not yet supported](https://github.com/moby/buildkit/issues/1555)
### outputs ### outputs
The following outputs are available: The following outputs are available: