Docker v1.12.2 发布了。
这是一个具有重要意义的版本，最大特性就是内置编排机制。Docker1.12通过swarm实现了容器集群，在集群之上可以service命令创建一个服务，实现服务的多实例。在服务之上，通过stack可以描述一组服务，最终实现一个大系统的部署。
改进内容：
Fix a panic due to a race condition filtering docker ps #26049
Implement retry logic to prevent "Unable to remove filesystem" errors when using the aufs storage driver #26536
Prevent devicemapper from removing device symlinks if dm.use_deferred_removal is enabled #24740
Fix an issue where the CLI did not return correct exit codes if a command was run with invalid options #26777
Fix a panic due to a bug in stdout / stderr processing in health checks #26507
Fix exec's children handling #26874
Fix exec form of HEALTHCHECK CMD #26208
软件详情：https://github.com/docker/docker/
下载地址：https://github.com/docker/docker/archive/v1.12.2-rc1.zip
来自:开源中国社区
