How would you implement feature flags in .NET Core applications?

Implement feature flags in ASP.NET Core using configuration-based toggles, Microsoft Feature Management libraries, or external services like LaunchDarkly and Azure App Configuration.

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Feature flags (also called feature toggles) allow developers to enable or disable application functionality without redeploying the application.

They are useful for:

ASP.NET Core provides built-in support through the Microsoft Feature Management package.

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1. Install Feature Management Package

Install the NuGet package:

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2. Configure Feature Flags

Add feature definitions in appsettings.json:…