Develop ASP.NET Core apps using a file watcher
By Rick Anderson and Victor Hurdugaci
dotnet watch
is a tool that runs a .NET Core CLI command when source files change. For example, a file change can trigger compilation, test execution, or deployment.
This tutorial uses an existing web API with two endpoints: one that returns a sum and one that returns a product. The product method has a bug, which is fixed in this tutorial.