How idempotency keys turn at-least-once delivery into safe, exactly-once API behavior, with request fingerprinting, response replay, and concurrency handling in Java and SQL.… Read more
A pragmatic Spring Boot implementation of hexagonal architecture with primary and secondary ports, module layout, and testing strategies that scale.… Read more
Practical guide to implementing Event Sourcing and CQRS in production systems. Covers event stores, read projections, snapshots, and honest trade-off analysis.… Read more
Complete guide to feature flag architecture — flag types, targeting rules, progressive rollouts, kill switches, and managing feature flag technical debt.… Read more
Step-by-step guide to the strangler fig pattern for monolith to microservices migration with routing strategies, data extraction, and rollback techniques.… Read more
A practical guide to the transactional outbox pattern for reliable event publishing in microservices, covering polling publishers, log-based CDC, and failure handling.… Read more
Production guide to implementing CQRS and event sourcing with Axon Framework including command handling, event stores, read model projections, and scaling strategies.… Read more
Complete guide to platform engineering with golden paths and self-service templates using Backstage, Crossplane, and standardized development workflows.… Read more
Complete guide to Vertical Slice Architecture for building clean, maintainable systems organized by feature rather than technical layer with real-world patterns.… Read more
Practical guide to implementing data mesh architecture with patterns for domain ownership, data products, self-serve platforms, and federated computational governance.… Read more
A practical decision guide comparing API gateways and service meshes for microservices architectures, with real-world selection criteria and deployment patterns.… Read more
Complete guide to local-first software architecture — CRDTs, sync engines, conflict resolution, and production patterns for offline-capable applications.… Read more
Complete guide to saga patterns in microservices covering orchestration vs choreography, compensating transactions, failure recovery, and production implementation with Spring Boot and Kafka.… Read more
Architect production API gateways for microservices with intelligent routing, rate limiting, authentication offloading, and distributed tracing.… Read more
Data-driven analysis comparing serverless functions vs containers for cost efficiency, performance characteristics, and scaling patterns in 2026.… Read more
Design highly scalable systems using cell-based architecture with independent failure domains, cell routing, and blast radius reduction patterns.… Read more
Design scalable distributed systems using event-driven architecture patterns including event sourcing, CQRS, and message-driven communication.… Read more
Implement Istio service mesh with ambient mode, mTLS encryption, traffic management, and observability for production Kubernetes deployments.… Read more
Choose and implement API versioning strategies including URL path, header-based, and content negotiation approaches with backward compatibility patterns.… Read more
Implement the Backend for Frontend pattern with per-client API layers, GraphQL aggregation, and optimized data shaping for mobile and web clients.… Read more
Modernize legacy systems incrementally with the strangler fig pattern using API gateway routing, parallel running, and feature flag strategies.… Read more
Implement the saga pattern for managing distributed transactions across microservices. Learn choreography vs orchestration approaches with practical examples.… Read more
Learn how cell-based architecture is changing global systems by improving resilience, blast radius containment, and fault isolation at scale.… Read more
15 microservices, 6 data sources, one unified API. GraphQL Federation lets each team own their subgraph while the router composes a seamless supergraph for the frontend.… Read more