Rolf Neugebauer

Preview: Linux Containers on Windows

Microsoft is getting ready for the next big update for Windows Server (check out today’s complimentary Microsoft blog post) and some of the new features are very exciting for Docker users. One of the most important enhancements is that Docker can now run Linux containers on Windows (LCOW), using Hyper-V technology. Running Docker Linux containers on Windows requires a minimal Linux kernel and userland to host the container processes. This is exactly what the LinuxKit toolkit was designed for: creating secure, lean and portable Linux subsystems that can provide Linux container functionality as a component of a container platform. We’ve been busy prototyping LinuxKit support for Docker Linux containers on Windows and have a working preview for you to try. This is still a work in progress, and requires either the recently announced  “Windows Server Insider” or Windows 10 Insider Continue reading…

Elton Stoneman

Docker on Windows Webinar Q&A

Recently I presented Docker on Windows: from 101 to Modernizing .NET Apps, a live webinar on using Docker with Windows, and running .NET Framework apps in containers. The session was recorded and you can watch it on the Docker YouTube channel: I start with the basics of Windows Docker containers, showing how to you can run containers from public images, and write Dockerfiles to package your own apps to run in containers. Then I move onto Dockerizing a traditional ASP.NET WebForms app, showing you how to take existing apps and run them in Docker with no code changes, and then use the Docker platform to modernize the app – breaking features out of the monolithic codebase, running them in separate containers and using Docker to connect them. I maxed out the session time (just like Mike with his Docker for the Continue reading…

Elton Stoneman

Docker at Microsoft Build 2017

Build is Microsoft’s premier developer event, run annually. This year Docker, Inc. and containers were everywhere, starting with a dedicated container pre-day, then with constant traffic to the Docker booth, and many shared container success stories.Build is usually a three-day event, but this year saw the very first pre-day – run jointly by Docker and Microsoft. “Container Fest” was a whole-day event focused on containers and Docker, running on Windows and Linux, on-premises and in Azure.

Dee Kumar

WEBINAR Q&A: Modernize Traditional Applications with Docker Enterprise Edition

This week at DockerCon, we announced the Modernize Traditional Applications (MTA) Program to help enterprises make their existing legacy apps more secure, more efficient and portable to hybrid cloud infrastructure. This webinar covers the importance of “WHY NOW and HOW” to start modernizing traditional applications with Docker Enterprise Edition. Legacy applications often serve critical business needs and have to be maintained for a long time. The maintenance of these applications can become expensive and very time consuming. Some applications may have been written decades ago, grown to millions of lines of code  and the team that built and deployed the app may no longer be at your company. That can pose a challenge for app maintenance, security and support. Docker Enterprise Edition and the Image2Docker Tool presents a unique opportunity to modernize these apps into containers to make them portable, more secure and Continue reading…

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Elton Stoneman

The First DockerCon with Windows Containers

DockerCon 2017 is only a few weeks away, and the schedule is available now on the DockerCon Agenda Builder. This will be the first DockerCon since Windows Server 2016 was released, bringing native support for Docker containers to Windows. There will be plenty of content for Windows developers and admins – here are some of the standouts. Windows and .NET Sessions On the main stages, there will be hours of content dedicated to Windows and .NET. Docker for .NET Developers Michele Bustamante, CIO of Solliance, looks at what Docker can do for .NET applications. Michele will start with a full .NET Framework application and show how to run it in a Windows container. Then Michele will move on to .NET Core and show how the new cross-platform framework can build apps which run in Windows or Linux containers, making for true Continue reading…

Elton Stoneman

Docker for Windows Server and Image2Docker

In December we had a live webinar focused on Windows Server Docker containers. We covered a lot of ground and we had some great feedback – thanks to all the folks who joined us. This is a brief recap of the session, which also gives answers to the questions we didn’t get round to. Webinar Recording You can view the webinar on YouTube: The recording clocks in at just under an hour. Here’s what we covered: 00:00 Introduction 02:00 Docker on Windows Server 2016 05:30 Windows Server 2016 technical details 10:30 Hyper-V and Windows Server Containers 13:00 Docker for Windows Demo – ASP.NET Core app with SQL Server 25:30 Additional Partnerships between Docker, Inc. and Microsoft 27:30 Introduction to Image2Docker 30:00 Demo – Extracting ASP.NET Apps from a VM using Image2Docker 52:00 Next steps and resources for learning Docker on Windows Q&A Can these [Windows] containers be hosted on a Continue reading…

Elton Stoneman

Convert ASP.NET Web Servers to Docker with Image2Docker

A major update to Image2Docker was released last week, which adds ASP.NET support to the tool. Now you can take a virtualized web server in Hyper-V and extract a Docker image for each website in the VM – including ASP.NET WebForms, MVC and WebApi apps.  Image2Docker is a PowerShell module which extracts applications from a Windows Virtual Machine image into a Dockerfile. You can use it as a first pass to take workloads from existing servers and move them to Docker containers on Windows. The tool was first released in September 2016, and we’ve had some great work on it from PowerShell gurus like Docker Captain Trevor Sullivan and Microsoft MVP Ryan Yates. The latest version has enhanced functionality for inspecting IIS – you can now extract ASP.NET websites straight into Dockerfiles. In Brief If you have a Virtual Machine disk image (VHD, VHDX Continue reading…

Betty Junod

Get all the Docker talks from Tech Field Day 12

As 2016 comes to a close, we are excited to have participated in a few of the Tech Field Day and inaugural Cloud Field Day events to share the Docker technology with the IT leaders and evangelists that Stephen Foskett and Tom Hollingsworth have cultivated into this fantastic group.  The final event was Tech Field Day 12 hosting in Silicon Valley. In case you missed the live stream, check out videos of the sessions here. Session 1: Introduction to Docker and Docker Datacenter Session 2: Securing the Software Supply Chain with Docker Session 3: Docker for Windows Server and Windows Containers Session 4: Docker for AWS and Azure Session 5: Docker Networking Fabric These are great overviews of the Docker technology applied to enterprise app pipelines, operations, and  diverse operating systems and cloud environments. And most importantly, this was a great opportunity Continue reading…