Could not load type 'System.Configuration.ConfigurationSection' from assembly 'System.Configuration.ConfigurationManager' · Issue #801 · dotnet/SqlClient · GitHub
Net Core assembly does not support System.Configuration.ConfigurationManager · Issue #7 · rebus-org/Rebus.AzureServiceBus · GitHub
Using App.config file with .Net Core
EF Core Configuration Manager - Getting Started | efcore- configuration-manager Tutorial
c# - How to inject IConfiguration in asp.net core 6 - Stack Overflow