how to add json setting file to console app .net core code example
Example: use appsettings.json in console app
All that’s required is to add the following NuGet packages and an appsettings.json file.
Microsoft.Extensions.Configuration
Microsoft.Extensions.Configuration.FileExtensions
Microsoft.Extensions.Configuration.Json
The appsettings.json files “Copy to Output Directory” property should also be set to “Copy if newer” so that the application is able to access it when published.