Legacy Modernization Microservices

Legacy Monolith Migration: Strangler Fig and CDC

Stop trying to rewrite the monolith all at once. Decouple it incrementally using event streaming.

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API Design Microservices

API Integration Patterns: Design for Change

API versioning is not about picking a URL scheme. It is about designing contracts that evolve without breaking …

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Reliability Microservices

Backend Performance: Latency Budgets and P99 Tuning

Average latency is a vanity metric. P99 is where your worst user experiences concentrate, and it compounds geometrically …

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Reliability Microservices

Resilience Patterns: Circuit Breakers, Bulkheads, Retries

Distributed systems fail differently than monoliths. Traditional error handling makes things worse. These patterns keep …

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Microservices System Design

Microservice Communication Patterns: REST, gRPC, Events

Choosing between REST, gRPC, and event-driven messaging shapes your entire system's failure domain and coupling model.

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Testing Strategy Microservices

Microservice Testing Pyramid: Contract, Component, and E2E Tests

The traditional testing pyramid breaks down with 30 independently deployed services.

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Legacy Modernization API Design

Legacy API Modernization: Wrap Before You Rewrite

Rewriting legacy APIs from scratch fails more often than it succeeds. The facade pattern lets you modernize …

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API Design Microservices

API Gateway Patterns: BFF, Rate Limiting, and Routing

API gateways are routing and auth proxies. Not a dumping ground for data aggregation and complex business rules.

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Kubernetes Microservices

Service Mesh Adoption: Istio vs Linkerd vs Cilium

A service mesh solves real networking problems but brings significant operational complexity.

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Legacy Modernization Cloud Migration

Strangler Fig Pattern: De-Risk Legacy Cloud Migration

Big bang cloud migrations are how critical systems break during cutover. The strangler fig pattern is how you actually …

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