toolcacheAI Coding Prompts › Feature Flag System Implementation

Feature Flag System Implementation

Implement a feature flag system for [APPLICATION]. Cover: feature flag service design (in-house vs LaunchDarkly/Flagsmith), flag types (boolean, multivariate, percentage rollout, user targeting), SDK/client implementation, server-side evaluation for performance, gradual rollout strategy (1% → 10% → 50% → 100%), A/B testing integration, flag lifecycle management (create → test → rollout → clean up), stale flag detection, audit logging, and dashboard for non-technical team members.

    
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