The Dotnet project we used in this tutorial: https://github.com/FabianGosebrink/ASPNETCore-WebAPI-Sample
The script and Dockerfile for building and running the agent as container, are under the directory Azure-agents-dind.
The Dockerfile and azure-pipeline file for implementing Continous integration using Docker are under the directory docker-ci.
The Dockerfile and azure-pipeline files for implementing mutli-platform continous integration are under the directory multiplatform-ci.