Tags: containers

How Docker Engine Works to Enable Containers

The modern container revolution started with Docker and its eponymous Docker Engine. Docker Engine is the runtime and tooling that enables container applications, defined by a dockerfile, to run on top of a host operating system in an isolated "container" section. "We are here because of docker...
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Critical Vulnerability Allows Kubernetes Node Hacking

Kubernetes has received fixes for one of the most serious vulnerabilities ever found in the project to date. If left unpatched, the flaw could allow attackers to take over entire compute nodes. “With a specially crafted request, users that are allowed to establish a connection through the...
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Kubernetes
Operators can help you extend Kubernetes functionality to include managing any stateful applications your organization uses; learn more in this tutorial.

Demystifying Kubernetes Operators with the Operator SDK: Part 1

You may have heard about the concept of custom Operators in Kubernetes. You may have even read about the CoreOS operator-sdk, or tried walking through the setup. The concept is cool: Operators can help you extend Kubernetes functionality to include managing any stateful applications your...
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Add It Up: Serverless vs. Kubernetes vs. Containers

Has “serverless” surpassed containers? Will Kubernetes be the center of the universe for developers? Regardless of the technical benefits, your personal investment in the technologies impact your point of view. Containers have the edge according to a survey conducted for our ebook about serverless...
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The State of Docker Container Documentation

We need to confront container documentation as the crucial, non-trivial problem that it is. TL;DR — As far as I can tell, there’s currently no way of providing documentation for specific containers that we could fairly call canonical, “best practice,” or even all that widely used. This blog post...
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The Beginner’s Guide to the CNCF Landscape

The cloud native landscape can be complicated and confusing. Its myriad of open source projects are supported by the constant contributions of a vibrant and expansive community. The Cloud Native Computing Foundation (CNCF) has a landscape map that shows the full extent of cloud native solutions,...
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Why Should You Use Microservices and Containers?

What to expect when you're working with microservices and containers. First of all, what are microservices? Microservices is a type of architecture that splits your application into multiple services that does a fine-grained function that’s a part of your application as a whole. Each of your...
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Kubernetes in Production vs. Kubernetes in Development: 4 Myths

We recently cleared up some of the common misunderstandings people have about Kubernetes as they start experimenting with it. One of the biggest misunderstandings, though, deserves its own story: Running Kubernetes in production is pretty much the same as running Kubernetes in a dev or test...
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Nabla on Kubernetes

A while back, we released a demo of the nabla containers runtime, runnc (v0.1). Most recently, we have improved our runtime in several aspects such as better start-up times and memory density. In addition to that (and also the focus of this blogpost), we have implemented Nabla support for...
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Ruby in Containers

There was a time when deploying software was an event, a ceremony because of the difficulty that was required to keep this consistency. Teams spent a lot of time making the destination environments run the software as the source environment. They thereafter prayed that the gods kept the software...
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