Category: Docker

Override classic ASP.NET web.config Configuration Settings When Using (Docker) Containers

By: Marcel Date: 12 March 2018 Categories: Docker,VSTS

One of the challenges with ASP.NET in combination with containers, is the fact that you configure all your settings in the web.config. when using containers, we want to provide different settings for different environments we run our containers. E.g. you have a dev, test, acceptance and production environment, for which you want other connection strings…

Just released: Introduction to Docker on Windows with Visual Studio 2017

By: Marcel Date: 13 August 2017 Categories: Docker,TFS,VSTS Tags: Docker, VSTS, VSTS Release Management, Windows

In this new course, I teach you how to use Docker to deliver solutions to the Windows platform. First, you’ll explore the options and capabilities Docker offers on the Windows platform. Next, you’ll delve into how Visual Studio 2017 simplifies the use of Docker in the development cycle. Finally, you’ll learn how to implement a…

Optimizing your (Windows) docker images with multi staged Docker builds

By: Marcel Date: 24 April 2017 Categories: Docker,VSTS Tags: Docker, Docker on Windows, dockercon, multistage build

Last week I visited Docker con 2017 where Docker announced a whole lot of new features, under which a new feature in the docker build command, called multi staged builds. These multi staged builds are extremely convenient to create images that are of minimum size. I am mostly using Docker on Windows, but this feature…

How to work around docker-compose DNS issue with docker on windows

By: Marcel Date: 31 March 2017 Categories: Docker Tags: Docker, Docker on Windows, docker-compose, networking

When you create a new docker image that is part of a container composition that you want to run on one and the same host, you can run into the issue that the independent containers are not able to reach each other via DNS resolving. So lets assume you have the following compose file where…

Fixing “HNS failed with error : Unspecified error” on docker-compose for Windows

By: Marcel Date: 26 February 2017 Categories: Docker

The past few days I worked quite a lot with docker-compose on my windows machine and after something strange happened to my machine that crashed it, I was not able to start any containers anymore that had connectivity over the network with each other. Every time I used the command-line docker-compose up, I would get…

Using docker on Windows in VSTS build and release management

By: Marcel Date: 1 September 2016 Categories: Docker,TFS,VSTS Tags: ASP.NET 4.5, Docker on Windows, VSTS realease management

In my previous post I showed you how you can create a docker container image that has an ASP.NET 4.5 website running on the full .NET framework. In this post I want to show you how you can use VSTS build V-next and the release management tools to leverage the docker technology.

Deploying ASP.NET 4.5 to Docker on Windows

By: Marcel Date: 1 September 2016 Categories: Docker,TFS,VSTS Tags: ASP.NET 4.5, Docker, Webdeploy, Windows

At the moment of this writing you can search the internet on ASP.NET and docker and all you will find is how to deploy ASP.NET Core applications to a Linux docker container. Although I love the initiative of ASP.NET core, I do believe that ASP.NET 4.5 is something many of you know and love already…