14 Jan 2016 in Announcement, Helm, Kubernetes

The Helm 0.3 Release Line Is Here

Helm is a package manager for Kubernetes.

Helm 0.3.0 was released last week, and 0.3.1 was released this week with a few minor bug fixes.

The 0.3 release line of Helm introduces several improvements to linting. It also introduces two new Helm commands: helm generate and helm template. These pave the way for generic template support in Helm, and provide a plugin architecture for implementing arbitrary template engines. Also, Helm charts now have a source: field for specifying a URL to the source used to create the chart's resources.

In addition to these new features, many bugs in the 0.2 release line have been found and fixed. Several parts of the codebase have been refactored for easier maintainability and better testing.

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13 Jan 2016 in Rigger, DigitalOpen, Tutorial

Ramping up with Rigger: Deploying Deis on DigitalOcean

Deis is an open source private Platform as a Service (PaaS) that simplifies deploying and managing your applications on your own servers. By leveraging technologies such as Docker and CoreOS, Deis provides a workflow and scaling features that are similar to that of Heroku, on the hosting provider of your choice. Deis supports applications that can run in a Docker container, and can run on any platform that supports CoreOS.


Have you ever wanted to experiment with a new project but were stymied by the "Getting Started" guide (with its tens or maybe even hundreds of manual steps)? Ever had a goal to spend part of your weekend crafting up a fantastic pull request for an open source project only to find that it took hours instead of minutes just to get to a productive development state? You're definitely not alone. I've found that most open source projects have a significant barrier to entry. That's not how it should be.

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7 Jan 2016 in Deis v1 PaaS, Continuous Integration

Setting Up Your Own PaaS and CI/CD Pipeline

Docker and the ecosystem around it have done some great things for developers, but from an operational standpoint, it's mostly just the same old issues with a fresh coat of paint. Real change happens when we change our perspective from Infrastructure (as a Service) to Platform (as a Service), and when the ultimate deployment artifact is a running application instead of a virtual machine.

Even Kubernates still feels a lot like IaaS - just with containers instead of virtual machines. To be fair, there are already some platforms out there that shift the user experience towards the application (Cloud Foundry and Heroku come to mind), but many of them have a large operations burden, or are provided in a SaaS model only.

In the Docker ecosystem we are starting to see more of these types of platforms, the first of which was Dokku which started as a single machine Heroku replacement written in about 100 lines of Bash. Building on top of that work other, richer systems like Deis and Flynn have emerged, as well as custom solutions built in-house, like Yelp's PaaSta.

Actions speak louder than words, so I decided to document (and demonstrate) a platform built from the ground up (using Open Source projects) and then deploy an application to it via a Continuous Integration/Deployment (CI/CD) pipeline.

You could (and probably would) use a public cloud provider for some (or all) of this stack; however, I wanted to demonstrate that a system like this can be built and run internally, as not everybody is able to use the public cloud.

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22 Dec 2015 in KubeCon, Kubernetes

KubeCon Videos, Day Two

KubeCon, which took place this November, was the first community conference for users and contributors to Kubernetes. It's goal was to deliver expert technical talks designed to spark creativity and promote Kubernetes education.

As part of our sponsorship of KubeCon, we're happy to be able to post the talk videos. In this post, we're sharing videos from day two of the conference. In our previous post, we shared the videos from day one.

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17 Dec 2015 in CoreOS

Get Started With CoreOS on OS X

In one of our recent posts we have covered how to install CoreOS with VirtualBox.

In this post, we learn how to run CoreOS without VirtualBox.

This setup is specific to OS X as it uses xhyve, which is built on top of Hypervisor.framework introduced in OS X 10.10.


We’re going to use the CoreOS VM application, which is an independent open source project that bundles CoreOS into a VM for running on OS X.

The CoreOS VM app uses the new corectl tool to manage xhyve-based VMs.

First, download the CoreOS VM app.

The CoreOS VM App does not have many dependencies to download. Everything needed is already included. However, the app will perform some automatic downloads on your behalf., they include CoreOS ISO file needed to run the VM, as well as Docker and fleetctl clients for OS X.

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