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What is ASP.NET Core configuration system?

Updated Apr 28, 2026

Short answer

Configuration manages app settings from multiple sources.

Deep explanation

ASP.NET Core reads config from JSON, environment variables, and more.

Real-world example

Storing DB connection strings.

Common mistakes

  • Hardcoding config values.

Follow-up questions

  • What is appsettings.json?
  • Why config?

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