Docker Buildx Release Notes (Versions 0.17.0, 0.16.2, 0.16.1, 0.16.0) - Bake Enhancements, Bug Fixes and Packaging Updates

The full release notes for this release are available [on GitHub](https://github.com/docker/buildx/releases/tag/v0.17.0). ### New - Add `basename`, `dirname` and `sanitize` functions to Bake. [docker/buildx#2649] - Enable support for Bake entitlements to allow privileged operations during builds. [docker/buildx#2666] ### Enhancements - Introduce CLI metrics tracking for Bake commands. [docker/buildx#2610] - Add `--debug` to all build commands. Previously, it was only available on the top-level `docker` and `docker buildx` commands. [docker/buildx#2660] - Allow builds from stdin for multi-node builders. [docker/buildx#2656] - Improve `kubernetes` driver initialization. [docker/buildx#2606] - Include target name in the error message when building multiple targets with Bake. [docker/buildx#2651] - Optimize metrics handling to reduce performance overhead during progress tracking. [docker/buildx#2641] - Display the number of warnings after completing a rule check. [docker/buildx#2647] - Skip build ref and provenance metadata for frontend methods. [docker/buildx#2650] - Add support for setting network mode in Bake files (HCL and JSON). [docker/buildx#2671] - Support the `--metadata-file` flag when set along the `--call` flag. [docker/buildx#2640] - Use shared session for local contexts used by multiple Bake targets. [docker/buildx#2615], [docker/buildx#2607], [docker/buildx#2663] ### Bug fixes - Improve memory management to avoid unnecessary allocations. [docker/buildx#2601] ### Packaging updates - Compose support has been updated to v2.1.6. [docker/buildx#2547] ## 0.16.2 {{< release-date date="2024-07-25" >}} The full release notes for this release are available [on GitHub](https://github.com/docker/buildx/releases/tag/v0.16.2). ### Bug fixes - Fix possible "bad file descriptor" error when exporting local cache to NFS volume [docker/buildx#2629](https://github.com/docker/buildx/pull/2629/) ## 0.16.1 {{< release-date date="2024-07-18" >}} The full release notes for this release are available [on GitHub](https://github.com/docker/buildx/releases/tag/v0.16.1). ### Bug fixes - Fix possible panic due to data race in `buildx bake --print` command [docker/buildx#2603](https://github.com/docker/buildx/pull/2603/) - Improve messaging about using `--debug` flag to inspect build warnings [docker/buildx#2612](https://github.com/docker/buildx/pull/2612/) ## 0.16.0 {{< release-date date="2024-07-11" >}} The full release notes for this release are available [on GitHub](https://github.com/docker/buildx/releases/tag/v0.16.0). ### New - Bake command now supports `--call` and `--check` flags and `call` attribute in target definitions for selecting custom frontend methods. [docker/buildx#2556](https://github.com/docker/buildx/pull/2556/), [docker/buildx#2576](https://github.com/docker/buildx/pull/2576/) - {{< badge color=violet text=Experimental >}} Bake now supports `--list-targets` and `--list-variables` flags for inspecting the definition and possible configuration options for your project. [docker/buildx#2556](https://github.com/docker/buildx/pull/2556/) - Bake definition variables and targets supports new `description` attribute for defining text-based description that can be inspected using e.g. `--list-targets` and `--list-variables`. [docker/buildx#2556](https://github.com/docker/buildx/pull/2556/) - Bake now supports printing warnings for build check violations. [docker/buildx#2501](https://github.com/docker/buildx/pull/2501/) ### Enhancements - The build command now ensures that multi-node builds use the same build reference for each node. [docker/buildx#2572](https://github.com/docker/buildx/pull/2572/) - Avoid duplicate requests and improve the performance of remote driver. [docker/buildx#2501](https://github.com/docker/buildx/pull/2501/) - Build warnings can now be saved to the metadata file by setting the `BUILDX_METADATA_WARNINGS=1` environment variable. [docker/buildx#2551](https://github.com/docker/buildx/pull/2551/), [docker/buildx#2521](https://github.com/docker/buildx/pull/2521/), [docker/buildx#2550](https://github.com/docker/buildx/pull/2550/)

This section covers the release notes for Docker Buildx versions 0.17.0, 0.16.2, 0.16.1 and 0.16.0. Version 0.17.0 introduces new Bake functions, Bake entitlements, CLI metrics tracking, `--debug` for all commands, stdin builds for multi-node builders, improved `kubernetes` driver, better Bake error messages, optimized metrics, warning counts, metadata skipping, network mode in Bake files, `--metadata-file` support, and shared local contexts. It also improves memory management and updates Compose. Version 0.16.2 fixes a file descriptor error with NFS cache. Version 0.16.1 addresses a `buildx bake --print` panic and improves `--debug` messaging. Version 0.16.0 adds `--call` and `--check` to Bake, `--list-targets` and `--list-variables`, `description` attribute, warning printing, consistent multi-node build references, avoids duplicate requests, and allows saving build warnings to metadata.