Deis v1.13.0 发布，开源 PaaS 系统

Deis v1.13.0 发布了，以下是一些改进内容：

新特性：

• 3181b2d client: document deis version

• 6ec3e06 controller: add simple health check view

• 42464a2 contrib: graceful shutdown for non-ceph nodes

• d7fe142 contrib/linode: allow for cluster expansion and standardize scripts

• 3f4e25a router: make vhost_traffic_status_zone configurable

Bug 修复：

• e2aeace logspout: discover logger connection continuously

• 3052fe6 controller: prevent overlapping config:set operations

• 040f90d client: only delete local ~/.deis/client.json if cancelling logged in user

• 67090ae controller: use django HttpResponse for logs

• 17da397 controller: use double quotes to escape ENV values

• d481c4c api: disable adding wildcard certificates

• ad558e4 auth: return a 409 if a user is cancelled that has apps

• 2cf9205 setup-node.sh: update packages for a Jenkins node

• 46bbba7 router: Allow for comma-delimited X-Forwarded-Proto

• 8f0119f controller: tag keys can be lowercase or capital

• ba38edc builder: fail on piped command

• 78a16fb builder: source proxy envvars

• 35a97b1 builder: remove temporary build dir on success

• f7099c7 builder: log env tcp requests information to debug

• 1cb11dd client: simplify URL prefixing

• 4a9f791 vagrant: fix Vagrantfile to handle spaces

• 3275683 builder: demote handshake failure log to debug

• e0aa2b1 client: strip controller port when parsing git remotes

• 112f513 controller: do not require slash at the end of the GET /v1/users

• a450965 builder: remove empty newline

• 7290dd0 logspout: Truncate lines too big for a single UDP packet

• 0700028 router: Fix issues establishing real end-client IP

• 05e4b57 controller: legacy fix should modify dict instead of dict view

• 51c6861 database: bail out if unable to check for existing backups

• 8b824df client: backport deis/workflow#280 to v1

• f46b967 tests: remove reference to python client

• 455e6b0 tests: use and patch known "good" version of mock-s3

• 481fe6b registry: disallow dots in s3 buckets

Deis 是一个 Django/Celery API 服务器、Python CLI 和一组 Chef cookbooks 合并起来提供一个类似 Heroku 的应用平台，用于公有云和私有云。Deis 的口号是：Your PaaS. Your Rules.

Deis 是一个开源的 PaaS 系统，简化和 LXC 容器和 Chef 节点的发布和伸缩。可用于托管应用、数据库、中间件和其他服务。Deis 利用 Chef、Docker 和 Heroku Buildpacks 来提供的私有 PaaS 是非常轻量级和灵活的。

Deis 提供开箱即用的 Ruby, Python, Node.js, Java, Clojure, Scala, Play, PHP, Perl, Dart 和 Go 语言的支持。此外 Deis 可使用 Heroku Buildpacks、Docker images 和 Chef recipes 发布任何内容。Deis 主要设计用来跟不同的云提供商进行交互，支持 EC2 等平台。