In the root of the project there is a file named appsettings.Development.json that contains project settings like DB connection credential, log configs, and etc
This file can contains other versions like appsettings.Production.json or appsettings.Staging.json
We can access to its content with the builder.Configuration inside the Program.cs file
Program.cs
This is the entry point of the project
Inside of this file, we can easily access the appsettings.json content with the builder.Configuration code