A GitHub project providing more than 300 code samples to illustrate ASP.NET Core fundamentals has amassed more than 4,000 stars.

That .NET Foundation GitHub project is described as a "Sample ASP.NET Core 3.1 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment ...

Click Create. A new ASP.NET Core MVC project will be created. We’ll use this project to work with the Developer Exception Page middleware in the subsequent sections of this article.