Docker 1.7.0发布,Linux容器引擎

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。