Rocket v1.12.0 发布了，Rocket （也叫 rkt）是 CoreOS 推出的一款容器引擎，和 Docker 类似，帮助开发者打包应用和依赖包到可移植容器中，简化搭环境等部署工作。 该版本主要新增seccomp隔离器，支持seccomp过滤。同时，对API服务做了一些提升，修复一些已知问题。 改进记录如下： 新特性 & UX 改进 cli: rename --cap-retain and --cap-remove to --caps-* (#2994). stage1: apply seccomp isolators (#2753). This introduces support for appc seccomp isolators. scripts: add /etc/rkt owned by group rkt-admin in setup-data-dir.sh (#2944). rkt: add --caps-retain and --caps-remove to prepare (#3007). store: allow users in the rkt group to delete images (#2961). api_service: cache pod manifest (#2891). Manifest caching considerably improves api-service performances. store: tell the user to run as root on db update (#2966). stage1: disabling cgroup namespace in systemd-nspawn (#2989). For more information see systemd#3589. fly: copy rkt-resolv.conf in the app (#2982). store: decouple aci store and treestore implementations (#2919). store: record ACI fetching information (#2960). Bug 修复 stage1/init: fix writing of /etc/machine-id (#2977). rkt-monitor: multiple fixes (#2927, #2988). rkt: don't errwrap cli_apps errors (#2958). pkg/tar/chroot: avoid errwrap in function called by multicall (#2997). networking: apply CNI args to the default networks as well (#2985). trust: provide InsecureSkipTLSCheck to pubkey manager (#3016). api_service: update grpc version (#3015). fetcher: httpcaching fixes (#2965). 其他改进 build,stage1/init: set interpBin at build time for src flavor (#2978). common: introduce RemoveEmptyLines() (#3004). glide: update docker2aci to v0.12.3 (#3026). This fixes multiple bugs in layers ordering for Docker images. glide: update go-systemd to v11 (#2970). This fixes a buggy corner-case in journal seeking (implicit seek to head). docs: document capabilities overriding (#2917, #2991). issue template: add '\n' to the end of environment output (#3008). functional tests: multiple fixes (#2999, #2979, #3014). Rocket v1.12.0 发布，支持 seccomp 过滤下载地址
