docker

Introducing Docker 1.13

Today we’re releasing Docker 1.13 with lots of new features, improvements and fixes to help Docker users with New Year’s resolutions to build more and better container apps. Docker 1.13 builds on and improves Docker swarm mode introduced in Docker 1.12 and has lots of...

Building serverless apps with Docker

Every now and then, there are waves of technology that threaten to make the previous generation of technology obsolete.  There has been a lot of talk about a technique called “serverless” for writing apps. The idea is to deploy your application as a series of...

So, when do you use a Container or VM?

Recently I was giving a talk at a trade show on the basics of Docker, and how an application goes from an idea to being a production workload running on a Universal Control Plane managed Swarm cluster. As part of that talk, I spent a bit of time talking about how...

There’s Application Virtualization and There’s Docker

In what appears to be a recurring theme (which I promise I’ll move off of soon), I’m going to spend some time talking about what Docker isn’t - Docker is not application virtualization. I spent a good amount of time at VMware where I worked on VMware View (which begat...

Docker containerd integration

In an effort to make Docker Engine smaller, better, faster, stronger, we looked for components of the current engine that we can break out into separate projects and improve along the way. One of those components is the Docker runtime for managing containers....

Containers and VMs Together

A couple weeks back I talked about how Docker containers were not virtual machines (VMs). I received a lot of positive feedback on the article (thanks!), but I also heard a common question: Can VMs and Docker containers coexist? The answer is a resounding “yes.” At...

Containers are not VMs

I spend a good portion of my time at Docker talking to community members with varying degrees of familiarity with Docker and I sense a common theme: people’s natural response when first working with Docker is to try and frame it in terms of virtual machines. I can’t...