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feature-flags

3 posts

Feature Flags at Scale: Implementation Patterns and Platform Comparison

A production-focused guide to implementing feature flags in distributed systems, comparing LaunchDarkly, Unleash, and AWS AppConfig with working examples for gradual rollouts, A/B testing, and managing technical debt.

feature-flagsdevopscontinuous-delivery+7
Type-Safe Lambda Middleware: Building Enterprise Patterns with Middy, Zod, and Builder Pattern

Learn to build maintainable, type-safe Lambda middleware using Middy's builder pattern, Zod validation, feature flags, and secrets management for enterprise serverless applications.

aws-lambdamiddymiddleware+8
SWR-Style Feature Flags in React Native: How I Solved the $50K Weekend Payment Failure

Why basic feature flags killed our payment system, how SWR pattern saved the day, and the production-tested React Native implementation handling 2M+ flag requests daily.

feature-flagsmobile-developmentreact-native+2