Simply open in VS and run docker with F5.
The example shows how you can run jsreport outside your app what is generally a better practice. It shows how you can use the jsreport.AspNetCore and Razor views to render reports through "external" jsreport docker container.
Additionally, it shows how you can define reports inside jsreport studio. Mount the data volume so your templates stay in the version control. And how to render such stored reports from your app.