Docker Buildx: Enhancements, Fixes and Improvements

- The special `host-gateway` IP mapping can now be used with the `--add-host` flag during build. [#1894](https://github.com/docker/buildx/pull/1894), [#2083](https://github.com/docker/buildx/pull/2083) - Bake now allows adding local source files when building from remote definition. [#1838](https://github.com/docker/buildx/pull/1838) - The status of uploading build results to Docker is now shown interactively on progress bar. [#1994](https://github.com/docker/buildx/pull/1994) - Error handling has been improved when bootstrapping multi-node build clusters. [#1869](https://github.com/docker/buildx/pull/1869) - The `buildx imagetools create` command now allows adding annotation when creating new images in the registry. [#1965](https://github.com/docker/buildx/pull/1965) - OpenTelemetry build trace delegation from buildx is now possible with Docker and Remote driver. [#2034](https://github.com/docker/buildx/pull/2034) - Bake command now shows all files where the build definition was loaded from on the progress bar. [#2076](https://github.com/docker/buildx/pull/2076) - Bake files now allow the same attributes to be defined in multiple definition files. [#1062](https://github.com/docker/buildx/pull/1062) - Using the Bake command with a remote definition now allows this definition to use local Dockerfiles. [#2015](https://github.com/docker/buildx/pull/2015) - Docker container driver now explicitly sets BuildKit config path to make sure configurations are loaded from same location for both mainline and rootless images. [#2093](https://github.com/docker/buildx/pull/2093) - Improve performance of detecting when BuildKit instance has completed booting. [#1934](https://github.com/docker/buildx/pull/1934) - Container driver now accepts many new driver options for defining the resource limits for BuildKit container. [#2048](https://github.com/docker/buildx/pull/2048) - Inspection commands formatting has been improved. [#2068](https://github.com/docker/buildx/pull/2068) - Error messages about driver capabilities have been improved. [#1998](https://github.com/docker/buildx/pull/1998) - Improve errors when invoking Bake command without targets. [#2100](https://github.com/docker/buildx/pull/2100) - Allow enabling debug logs with environment variables when running in standalone mode. [#1821](https://github.com/docker/buildx/pull/1821) - When using Docker driver the default image resolve mode has been updated to prefer local Docker images for backward compatibility. [#1886](https://github.com/docker/buildx/pull/1886) - Kubernetes driver now allows setting custom annotations and labels to the BuildKit deployments and pods. [#1938](https://github.com/docker/buildx/pull/1938) - Kubernetes driver now allows setting authentication token with endpoint configuration. [#1891](https://github.com/docker/buildx/pull/1891) - Fix possible issue with chained targets in Bake that could result in build failing or local source for a target uploaded multiple times. [#2113](https://github.com/docker/buildx/pull/2113) - Fix issue when accessing global target properties when using the matrix feature of the Bake command. [#2106](https://github.com/docker/buildx/pull/2106) - Fixes for formatting validation of certain build flags [#2040](https://github.com/docker/buildx/pull/2040) - Fixes to avoid locking certain commands unnecessarily while booting builder nodes. [#2066](https://github.com/docker/buildx/pull/2066) - Fix cases where multiple builds try to bootstrap the same builder instance in parallel. [#2000](https://github.com/docker/buildx/pull/2000) - Fix cases where errors on uploading build results to Docker could be dropped in some cases. [#1927](https://github.com/docker/buildx/pull/1927) - Fix detecting capabilities for missing attestation support based on build output. [#1988](https://github.com/docker/buildx/pull/1988) - Fix the build for loading in Bake remote definition to not show up in build history records.

This section details various enhancements, fixes, and improvements in Docker Buildx. The `host-gateway` IP mapping can now be used with the `--add-host` flag. Bake allows adding local source files when building from a remote definition. The status of uploading build results to Docker is now interactively displayed. Error handling for bootstrapping multi-node build clusters has been improved. The `buildx imagetools create` command now allows adding annotations. OpenTelemetry build trace delegation is now possible. The Bake command now displays all files used in the build definition. Other fixes include improvements to Bake files, Docker container driver configuration, performance improvements, resource limits for BuildKit containers, formatting of inspection commands, error messages, debugging logs, default image resolve mode, Kubernetes driver settings, Bake target issues, and build flag validation.