Handling settings and Environment Variables of your .NET Core 2 application hosted in a Docker container during development and on Kubernetes (Helm to the resque)

You have developed a microservice in .NET Core 2 and want to host it as a Docker Container in Kubernetes. Your Microservice contains settings, some appsettings or connectionstrings for example. These settings differ over environments. You can treat this configuration for Kubernetes on different ways. This blogposts shows you how to handle settings over environments prepared for Continuous Delivery.

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Automate the deployment of .NET Core 2 Docker containers to Kubernetes with Azure Container Service and Azure Container Registry using VSTS

Previous blogpost coveres all steps to create a Docker Image from a .NET Core 2 WebAPI application on your local machine. After that, the Docker Image was pushed to Azure Container Registry (ACR). The deployment to Kubernetes pulled this Docker Image from ACR and runs a number of instances. All steps were executed manually. Let’s automate this using VSTS.
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Infrastructure as Code and VSTS

Written by Peter Groenewegen and Pascal Naber for the Xpirit Magazine

Your team is in the process of developing a new application feature, and the infrastructure has to be adapted. The first step is to change a file in your source control system that describes your infrastructure. When the changed definition file is saved in your source control system it triggers a new build and release. Your new infrastructure is deployed to your test environment, and the whole process to get the new infrastructure deployed took minutes while you only changed a definition file and you did not touch the infrastructure itself.
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Create an Azure Service Principal and a VSTS ARM Endpoint

25-8-2016: Update because the UI to create a Service in VSTS changed

When you want to access Azure from VSTS there are multiple possibilities. It’s for example possible in VSTS to configure an Azure Classic Endpoint and after that configure the endpoint with credentials or with a certificate. The ARM way is to add an Azure Resource Manager Endpoint. To configure this you will need the settings of an Azure Service Principal. This blogpost tells you how to create both the Service Principal in Azure and the ARM Endpoint in VSTS.
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