war-stories
10 posts
Real-world strategies for optimizing AWS Lambda cold starts, covering runtime selection, provisioned concurrency, and practical optimization techniques from production environments.
Comprehensive production monitoring and debugging strategies for AWS Lambda based on real-world incident response, featuring CloudWatch metrics, X-Ray tracing, structured logging, and effective alerting patterns.
Master advanced AWS Lambda patterns including Lambda Layers, VPC configuration, cross-account execution, and comprehensive cost optimization strategies. Real-world migration experiences and architectural decisions from production Lambda usage.
Achieve sub-10ms response times in AWS Lambda through runtime selection, database optimization, bundle size reduction, and caching strategies. Real benchmarks and production lessons included.
How to protect your team from single points of failure through knowledge distribution, documentation strategies, and systematic risk management based on real-world engineering experiences.
A brutally honest guide to Git branching strategies based on team size, product type, and real failures. Learn which strategy actually works for your specific situation.
After removing all factories, services, and dependency injection from our Node.js microservices, we shipped 3x faster with 65% fewer bugs. Here's why functions beat classes for event-driven architectures.
A practical guide to evolving Node.js monoliths into event-driven serverless functions, with real migration strategies, architectural patterns, and lessons from a complete transformation.
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.
How a 'simple' API change broke an enterprise client integration overnight, why documentation drift causes real problems, and a practical system that generates OpenAPI specs from Zod schemas automatically.