应用容器引擎 Docker v1.12.4-rc1 发布了。本次更新如下：
运行时
Fix issue where volume metadata was not removed
Asynchronously close streams to prevent holding container lock
Fix selinux labels for newly created container volumes
Remove hostname validation
Fix deadlocks caused by IO races #29095
Return an empty stats if the container is restarting
Fix volume store locking
Ensure consistent status code in API
Fix incorrect opaque directory permission in overlay2
群模式
Update Swarmkit
orchestrator/global: Fix deadlock on updates docker/swarmkit
on leader switchover preserve the vxlan id for existing networks docker/swarmkit
Refuse swarm spec not named "default"
网络
Update libnetwork
Fix panic in embedded DNS docker/libnetwork
Fix unmarhalling panic when passing --link-local-ip on global scope network docker/libnetwork
Fix panic when network plugin returns nil StaticRoutes docker/libnetwork
Fix panic in osl.(*networkNamespace).DeleteNeighbor docker/libnetwork
Fix panic in swarm networking concurrent map read/write docker/libnetwork
Allow encrypted networks when running docker inside a container docker/libnetwork
Do not block autoallocation of IPv6 pool docker/libnetwork
Set timeout for netlink calls docker/libnetwork
Increase networking local store timeout to one minute docker/libkv
Fix a panic in libnetwork.(*sandbox).execFunc docker/libnetwork
Honor icc=false for internal networks docker/libnetwork
日志
Update syslog log driver
Contrib
Run "dnf upgrade" before installing in fedora
Add build-date back to RPM packages
Update selinux policy for distros based on RHEL7.3
软件详情：https://github.com/docker/docker/releases/tag/v1.12.4-rc1
下载地址：https://github.com/docker/docker/archive/v1.12.4-rc1.zip
来自:开源中国社区
