4 Nov 2015 in

Deis v1.12 - Docker Future-Proofing

The Deis project is happy to announce v1.12.0, featuring changes to deis-builder and deis-controller to ensure future compatibility with Docker. deis pull finally works with current Docker images, and the new deisctl list-machines command helps you survey your Deis cluster.

NOTE: Docker Hub will disable access for docker versions 1.5 and earlier on December 7, 2015. Releases of Deis prior to v1.12.0 relied on docker 1.5.0 and will experience problems after that date. As a result, all users are encouraged to provision a new v1.12.0 cluster which does not rely on a specific docker version.

Join the fun: new contributors to Deis can get free DigitalOcean credits!

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30 Oct 2015 in Deis v1 PaaS, Community Meeting, Announcement

Deis 1.12 Release and 1.13 Planning

Deis v1.12 Release

Deis v1.12 is scheduled for release on Tuesday, November 3. The major component of this release is upgrading the Docker client from 1.5 to v1.8.3. We have been looking to rev the Docker version for some time now, as the older image format has caused issues for some users. Please refer to the upgrade documentation to assist in your cluster migration.

A full list of items in this release will be provided on November 3.

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29 Oct 2015 in Series: Ready Made, Docker Hub, Docker

5 Ready-made OSS Docker Images

Traditionally, Open Source Software (OSS) software has had a reputation for being hard to install and brittle to maintain.<!--more-->

And rightly so. That ./configure && make && make install command very rarely went as a smoothly as you’d like it to. Nevermind the hours you’d pour over "the documentation" to figure out how to get a working configuration for your system.

Many medium to large OSS projects recognise this problem and work hard to get into Linux distributions like Ubuntu or RedHat. (Alternatively providing their own packages to be downloaded from the project specific package repository.) Once that’s done, installation is as easy as apt-get or an rpm run.

But there is an alternative to this that works well for people who prefer to work with containers over manual system administration. Increasingly, OSS projects are providing ready-to-use images that make it easy to get up-and-running. Just take a look at the Docker Hub and see for yourself how many images are available for installation.

This post highlights five useful OSS Docker images, look at their default configuration, and suggest ways to modify them to make them work for you.

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27 Oct 2015 in Kubernetes, Development, Containers

Zero to Kubernetes Dev Environment on OS X

Many people we talk to are interested in experimenting with Kubernetes but find that putting together a development environment is daunting.

Kubernetes Solo OSX (Kube Solo) provides a lightweight, simple Kubernetes enviroment that is easy as a few clicks.

Kube Solo wraps coreos-xhyve and runs in your Mac's status bar. With a few clicks Kube Solo provisions a CoreOS server and boostraps Kubernetes development environment.

Since Kube Solo is based on xhyve there is no need to have VirtualBox and Vagrant installed on your Mac.

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22 Oct 2015 in Docker, Containers

Going Beyond Hello World Containers is Hard Stuff

In my previous post, I provided the basic concepts behind Linux container technology. I wrote as much for you as I did for me. Containers are new to me. And I figured having the opportunity to blog about the subject would provide the motivation to really learn the stuff.

I intend to learn by doing. First get the concepts down, then get hands-on and write about it as I go. I assumed there must be a lot of Hello World type stuff out there to give me up to speed with the basics. Then, I could take things a bit further and build a microservice container or something.

I mean, it can’t be that hard, right?


Maybe it’s easy for someone who spends significant amount of their life immersed in operations work. But for me, getting started with this stuff turned out to be hard to the point of posting my frustrations to Facebook...

But, there is good news: I got it to work! And it’s always nice being able to make lemonade from lemons. So I am going to share the story of how I made my first microservice container with you. Maybe my pain will save you some time.

If you've ever found yourself in a situation like this, fear not: folks like me are here to deal with the problems so you don't have to!

Let’s begin.

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