What are Configuration Providers in ASP.NET Core?

Configuration Providers in ASP.NET Core are components that supply configuration data from various sources such as JSON files, environment variables, command-line arguments, and custom sources. They enable flexible and environment-specific app settings.

Key Features:

• Support multiple configuration sources
• Load settings from JSON, XML, environment variables, command-line
• Supports strongly typed configuration classes
• Extensible with custom providers
• Integrates with dependency injection

Example:
Reading from appsettings.json:

{
  "AppSettings": {
    "AppName": "MyApp",
    "Version": "1.0"
  }
}

Accessing in Program.cs:

var builder = WebApplication.CreateBuilder(args);
var appName = builder.Configuration["AppSettings:AppName"];
Console.WriteLine($"App Name: {appName}");

Configuration Providers in ASP.NET Core enable centralized, flexible, and environment-aware application settings, simplifying app management.

Citations:

• Learn more on Savanka
• Official ASP.NET Core Documentation