Docker platform

Deis – an open-source PaaS for Docker

Coman Hamilton
Dock containers via Shutterstock

Having just debuted with its first major release, Deis is an open-source micro-PaaS that makes it easier to deploy and manage Dockerised applications.

A year ago, it was another interesting, new technology. Today, Docker has grown so large that is the heart of an ecosystem of Docker-related tools and technologies. One of these is Deis, a micro-PaaS technology for deploying and managing applications which brings out-of-the-box support for all major JVM languages.

This open-source application platform is designed to simplify the management of applications on self-managed servers. Similar to the open-source PaaS Flynn, Deis is based on both Docker and CoreOS and provides a private Apache-licensed PaaS with a Heroku-inspired workflow.

Deis brings a scalable systems layer below its familiar PaaS surface, making it “more than a Heroko clone”, as others have commented. One of its most significant claims to fame is that it can reduce the effort required for large-scale platform operations, although it has been said that the tool is slightly lacking in system monitoring.

Happy first birth-Deis

This first major-release milestone for Deis, which has already gathered more than 3,000 commits on GitHub, brings a stable API and a solid, scalable architecture of components. Here’s an overview of its main features and the Git Push workflow.

DEIS Git Push Workflow / © DEIS

Compact installation – On a CoreOS Cluster the installation takes less than 30 minutes and only requires one command-line interface. Deis itself is also delivered as a series of Docker images.

High availability – Deis claims to be able to withstand the failure of any one host in the cluster.

Familiar workflows – Deis provides three deployment workflows: Heroku Buildpacks, Dockerfiles and native Docker Images.

Extensive documentation – Deis has expanded its documentation for developers and summarised it on documentation page.

It runs everywhere – Deis is supported by Amazon Web Services, Google Compute Engine, Digital Ocean, Rackspace, OpenStack and VMware. It also runs on both open and private clouds and even on Bare Metal.

Coman Hamilton
Coman was Editor of at S&S Media Group. He has a master's degree in cultural studies and has written and edited content for numerous news, tech and culture websites and magazines, as well as several ad agencies.

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