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Docker 1.5.0 RC1 发布，完全支持 IPv6

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Docker 1.5.0 RC1 发布，此版本是 Docker 1.5 的第一个RC 版本。

Docker 1.5.0 RC1 的总体情况如下：

664 个 commits
+8,350 -3,397 行修改

此版本包括大量的总要特性，Docker 1.5.0 计划在 2 月 3 日发布，包括 Compose 1.1.0, Machine beta 0.1.0 和 Swam beta 0.1.0。

boot2docker 1.5.0-rc1 现已提供在：

https://github.com/tianon/boot2docker/releases/tag/v1.5.0-rc1

ISO 下载：

https://github.com/tianon/boot2docker/releases/download/v1.5.0-rc1/boot2docker.iso

二进制包下载：

Ubuntu/Debian: https://test.docker.com/ubuntu or curl -sSL https://test.docker.com/ | sh

Linux 64bit binary: https://test.docker.com/builds/Linux/x86_64/docker-1.5.0

Darwin/OSX 64bit client binary: https://test.docker.com/builds/Darwin/x86_64/docker-1.5.0

Darwin/OSX 32bit client binary: https://test.docker.com/builds/Darwin/i386/docker-1.5.0

Linux 64bit tgz: https://test.docker.com/builds/Linux/x86_64/docker-1.5.0.tgz

更新日志

Builder

+ Dockerfile to use for a given `docker build` can be specified with the `-f` flag

* Dockerfile and .dockerignore files can be themselves excluded as part of the .dockerignore file, thus preventing modifications to these files invalidating ADD or COPY instructions cache

* ADD and COPY instructions accept relative paths

* Dockerfile `FROM scratch` instruction is now interpreted as a no-base specifier

* Improve performance when exposing a large number of ports

Hack

+ Allow client-side only integration tests for Windows

* Include docker-py integration tests against Docker daemon as part of our test suites

Packaging

+ Support for the new version of the registry HTTP API

* Speed up `docker push` for images with a majority of already existing layers

- Fixed contacting a private registry through a proxy

Remote API

+ Containers can be renamed using the new `rename` endpoint and the associated `docker rename` command

* Container `inspect` endpoint show the ID of `exec` commands running in this container

* Container `inspect` endpoint show the number of times Docker auto-restarted the container

* New types of event can be streamed by the `events` endpoint: ‘OOM’ (container died with out of memory), ‘exec_create’, and ‘exec_start'

- Fixed returned string fields which hold numeric characters incorrectly omitting surrounding double quotes

Runtime

+ Docker daemon has full IPv6 support

+ The `docker run` command can take the `--pid=host` flag to use the host PID namespace, which makes it possible for example to debug host processes using containerized debugging tools

+ The `docker run` command can take the `--read-only` flag to make the container’s root filesystem mounted as readonly, which can be used in combination with volumes to force a container’s processes to only write to locations that will be persisted

+ Container total memory usage can be limited for `docker run` using the `--memory-swap` flag

* Major stability improvements for devicemapper storage driver

* Better integration with host system: containers will reflect changes to the host's `/etc/resolv.conf` file when restarted

* Better integration with host system: per-container iptable rules are moved to the DOCKER chain

- Fixed container exiting on out of memory to return an invalid exit code