Docker 1.7.0 正式版发布，此版本主要更新信息如下： Runtime： Experimental feature: support for out-of-process volume plugins The userland proxy can be disabled in favor of hairpin NAT using the daemon’s --userland-proxy=false flag The exec command supports the -u|--user flag to specify the new process owner Default gateway for containers can be specified daemon-wide using the --default-gateway and --default-gateway-v6 flags The CPU CFS (Completely Fair Scheduler) quota can be set in docker run using --cpu-quota Container block IO can be controlled in docker run using--blkio-weight ZFS support The docker logs command supports a --since argument UTS namespace can be shared with the host with docker run --uts=host Quality： Networking stack was entirely rewritten as part of the libnetwork effort Engine internals refactoring Volumes code was entirely rewritten to support the plugins effort Sending SIGUSR1 to a daemon will dump all goroutines stacks without exiting Build Support ${variable:-value} and ${variable:+value} syntax for environment variables Support resource management flags --cgroup-parent, --cpu-period, --cpu-quota, --cpuset-cpus, --cpuset-mems git context changes with branches and directories The .dockerignore file support exclusion rules Distribution Client support for v2 mirroring support for the official registry Bugfixes Firewalld is now supported and will automatically be used when available mounting --device recursively 详细信息请查看更新日志。 此版本现已提供下载： Source code (zip) Source code (tar.gz) Docker 是一个开源的应用容器引擎，让开发者可以打包他们的应用以及依赖包到一个可移植的容器中，然后发布到任何流行的 Linux 机器上，也可以实现虚拟化。容器是完全使用沙箱机制，相互之间不会有任何接口（类似 iPhone 的 app）。几乎没有性能开销,可以很容易地在机器和数据中心中运行。最重要的是,他们不依赖于任何语言、框架或包装系统。 Docker 1.7.0 发布，Linux 容器引擎下载地址
