mid.NET Core
Explain configuration providers in .NET Core
Updated Apr 28, 2026
Short answer
Configuration providers load settings from multiple sources like JSON, environment variables, and command line.
Deep explanation
.NET Core allows multiple configuration sources to be combined. Later providers override earlier ones, enabling flexible configuration across environments like development and production.
Real-world example
Using environment variables to override database connection strings in production.
Common mistakes
- Incorrect ordering of configuration providers.
Follow-up questions
- What is IConfiguration?
- How do environment-specific configs work?