Docker Engine v27.0.3: Bug Fixes, Deprecations, and Packaging Updates

- rootless: add `Requires=dbus.socket` to prevent errors when starting the daemon on a cgroup v2 host with systemd [moby/moby#48141](https://github.com/moby/moby/pull/48141) - containerd integration: `image tag` event is now properly emitted when building images with BuildKit [moby/moby#48182](https://github.com/moby/moby/pull/48182) - CLI: enable shell completion for `docker image rm`, `docker image history`, and `docker image inspect` [moby/moby#5261](https://github.com/moby/moby/pull/5261) - CLI: add and improve shell completions for various flags [moby/moby#5261](https://github.com/moby/moby/pull/5261) - CLI: add OOMScoreAdj to `docker service create` and `docker stack` [docker/cli#5274](https://github.com/docker/cli/pull/5274) - CLI: add support for `DOCKER_CUSTOM_HEADERS` environment variable (experimental) [docker/cli#5271](https://github.com/docker/cli/pull/5271) - CLI: containerd-integration: Fix `docker push` defaulting the `--platform` flag to a value of `DOCKER_DEFAULT_PLATFORM` environment variable on unsupported API versions [docker/cli#5248](https://github.com/docker/cli/pull/5248) - CLI: fix: context cancellation on `login` prompt [docker/cli#5260](https://github.com/docker/cli/pull/5260) - CLI: fix: wait for the container to exit before closing the stream when sending a termination request to the CLI while attached to a container [docker/cli#5250](https://github.com/docker/cli/pull/5250) #### Deprecated - The `pkg/rootless/specconv` package is deprecated, and will be removed in the next release [moby/moby#48185](https://github.com/moby/moby/pull/48185) - The `pkg/containerfs` package is deprecated, and will be removed in the next release [moby/moby#48185](https://github.com/moby/moby/pull/48185) - The `pkg/directory` package is deprecated, and will be removed in the next release [moby/moby#48185](https://github.com/moby/moby/pull/48185) - `api/types/system`: remove deprecated `Info.ExecutionDriver` [moby/moby#48184](https://github.com/moby/moby/pull/48184) #### Packaging updates - Update Buildx to [v0.16.1](https://github.com/docker/buildx/releases/tag/v0.16.1). [moby/docker-ce-packaging#1039](https://github.com/docker/docker-ce-packaging/pull/1039) - Update Compose to [v2.29.0](https://github.com/docker/compose/releases/tag/v2.29.0). [moby/docker-ce-packaging#1038](https://github.com/docker/docker-ce-packaging/pull/1038) - Update Containerd (static binaries only) to [v1.7.20](https://github.com/containerd/containerd/releases/tag/v1.7.20). [moby/moby#48191](https://github.com/moby/moby/pull/48191) - Update BuildKit to [v0.15.0](https://github.com/moby/buildkit/releases/tag/v0.15.0). [moby/moby#48175](https://github.com/moby/moby/pull/48175) - Update Go runtime to 1.21.12, which contains security fixes for [CVE-2024-24791](https://github.com/advisories/GHSA-hw49-2p59-3mhj) [moby/moby#48120](https://github.com/moby/moby/pull/48120) ## 27.0 Release notes for Docker Engine 27.0. ### 27.0.3 {{< release-date date="2024-07-01" >}} For a full list of pull requests and changes in this release, refer to the relevant GitHub milestones: - [docker/cli, 27.0.3 milestone](https://github.com/docker/cli/issues?q=is%3Aclosed+milestone%3A27.0.3) - [moby/moby, 27.0.3 milestone](https://github.com/moby/moby/issues?q=is%3Aclosed+milestone%3A27.0.3) - Deprecated and removed features, see [Deprecated Features](https://github.com/docker/cli/blob/v27.0.3/docs/deprecated.md). - Changes to the Engine API, see [API version history](https://github.com/moby/moby/blob/v27.0.3/docs/api/version-history.md). #### Bug fixes and enhancements - Fix a regression that incorrectly reported a port mapping from a host IPv6 address to an IPv4-only container as an error. [moby/moby#48090](https://github.com/moby/moby/pull/48090) - Fix a regression that caused duplicate subnet allocations when creating networks. [moby/moby#48089](https://github.com/moby/moby/pull/48089) - Fix a regression resulting in `fail to register layer: failed to Lchown` errors when trying to pull an image with rootless enabled on a system that supports native overlay with user-namespaces. [moby/moby#48086](https://github.com/moby/moby/pull/48086)

This section details enhancements and bug fixes in Docker Engine v27.1.0, including improvements to rootless daemon startup, BuildKit integration for image tagging, shell completion for CLI commands, and the addition of OOMScoreAdj to service creation. It also covers the deprecation of several packages (`pkg/rootless/specconv`, `pkg/containerfs`, `pkg/directory`) and the removal of `Info.ExecutionDriver` from the API. Further, it outlines packaging updates, including Buildx v0.16.1, Compose v2.29.0, Containerd v1.7.20, BuildKit v0.15.0, and Go runtime 1.21.12 with security fixes. Finally, it goes on to describe the release of Docker Engine 27.0.3, including fixes for IPv6 to IPv4 port mapping errors, duplicate subnet allocations, and `fail to register layer` errors in rootless mode.