var builder = new ConfigurationBuilder() .SetBasePath(AppContext.BaseDirectory) .AddJsonFile("appsettings.json"); IConfigurationRoot configuration = builder.Build(); var loggingLevel = configuration.GetSection("Logging")["LogLevel"];
var builder = new ConfigurationBuilder() .SetBasePath(AppContext.BaseDirectory) .AddJsonFile("appsettings.json", optional: true); IConfigurationRoot configuration = builder.Build();Package/Library: Microsoft.Extensions.Configuration.Json.