Kubernetes Blog

Kubernetes 1.10 released

1000 nodes and beyond: updates to Kubernetes performance and scalability

Editor's note: this is the first in a series of in-depth posts on what's new in Kubernetes 1.2 We're proud to announce that with the release of 1.2, Kubernetes now supports 1000-node clusters, with a reduction of 80% in 99th percentile tail latency for most API operations. This means in just six months, we've…

Kubernetes 1.4: Making it easy to run on Kubernetes anywhere

Why Kubernetes isn't using Docker's libnetwork

Kubernetes has had a very basic form of network plugins since before version 1.0 was released — around the same time as Docker's libnetwork and Container Network Model (CNM) was introduced. Unlike libnetwork, the Kubernetes plugin system still retains its "alpha" designation. Now that Docker's network plugin support…

Fission: Serverless Functions as a Service for Kubernetes

Fission is a Functions as a Service (FaaS) / Serverless function framework built on Kubernetes. Fission allows you to easily create HTTP services on Kubernetes from functions. It works at the source level and abstracts away container images (in most cases). It also simplifies the Kubernetes learning curve, by enabling…

Deploying PostgreSQL Clusters Using StatefulSets

Editor’s note: Today’s guest post is by Jeff McCormick, a developer at Crunchy Data, showing how to build a PostgreSQL cluster using the new Kubernetes StatefulSet feature. In an earlier post, I described how to deploy a PostgreSQL cluster using Helm, a Kubernetes package manager. The following example provides the…

Kubernetes 1.6: Multi-user, Multi-workloads at Scale

Kubernetes 1.9: Apps Workloads GA and Expanded Ecosystem

We’re pleased to announce the delivery of Kubernetes 1.9, our fourth and final release this year. Today’s release continues the evolution of an increasingly rich feature set, more robust stability, and even greater community contributions. As the fourth release of the year, it gives us an opportunity to look back at…

Windows Server Support Comes to Kubernetes

Editor's note: this post is part of a series of in-depth articles on what's new in Kubernetes 1.5 Extending on the theme of giving users choice, Kubernetes 1.5 release includes the support for Windows Servers. WIth more than 80% of enterprise apps running Java on Linux or .Net on Windows, Kubernetes is previewing…

How we improved Kubernetes Dashboard UI in 1.4 for your production needs​

Kubernetes 1.7: Security Hardening, Stateful Application Updates and Extensibility

Container Runtime Interface (CRI) in Kubernetes

Editor's note: this post is part of a series of in-depth articles on what's new in Kubernetes 1.5 At the lowest layers of a Kubernetes node is the software that, among other things, starts and stops containers. We call this the “Container Runtime”. The most widely known container runtime is Docker, but it is not alone…

Rktnetes brings rkt container engine to Kubernetes

Editor's note: this post is part of a series of in-depth articles on what's new in Kubernetes 1.3 As part of Kubernetes 1.3, we’re happy to report that our work to bring interchangeable container engines to Kubernetes is bearing early fruit. What we affectionately call “rktnetes” is included in the version 1.3…

Hypernetes: Bringing Security and Multi-Tenancy to Kubernetes

While many developers and security professionals are comfortable with Linux containers as an effective boundary, many users need a stronger degree of isolation, particularly for those running in a multi-tenant environment. Sadly, today, those users are forced to run their containers inside virtual machines, even one…

Announcing Kubernetes 1.3: Bridging Cloud Native and Enterprise Workloads