Design scalable systems with software architecture patterns guides covering event-driven architecture, hexagonal ports and adapters, saga distributed transactions, CQRS, and API design with REST, GraphQL, and gRPC. Furthermore, learn modular monolith architecture, distributed caching strategies, and zero-downtime migration patterns. Additionally, explore system design for real-time applications. Therefore, build applications that handle millions of requests reliably. Visit our about page for more information.
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.
Idempotency Keys and Exactly-Once Semantics in API Design Read Post »
Production patterns for eventual consistency in event-driven microservices: outbox, idempotency, sagas, schema evolution, and staleness UX.
Event-Driven Microservices: Eventual Consistency Patterns in Production Read Post »
A pragmatic Spring Boot implementation of hexagonal architecture with primary and secondary ports, module layout, and testing strategies that scale.
Hexagonal Architecture with Ports and Adapters in Spring Boot Read Post »
Practical guide to implementing Event Sourcing and CQRS in production systems. Covers event stores, read projections, snapshots, and honest trade-off analysis.
Event Sourcing and CQRS: Practical Implementation Beyond the Theory Read Post »
Master cell-based architecture patterns for fault isolation in distributed systems. Covers cell routing, blast radius containment, and real-world deployment strategies.
Cell-Based Architecture: Fault Isolation Patterns for Resilient Distributed Systems Read Post »
Complete guide to feature flag architecture — flag types, targeting rules, progressive rollouts, kill switches, and managing feature flag technical debt.
Feature Flags Architecture: Progressive Delivery for Safe Production Deployments Read Post »
Step-by-step guide to the strangler fig pattern for monolith to microservices migration with routing strategies, data extraction, and rollback techniques.
Strangler Fig Pattern: Safely Migrating from Monolith to Microservices Read Post »
A practical guide to the transactional outbox pattern for reliable event publishing in microservices, covering polling publishers, log-based CDC, and failure handling.
Outbox Pattern for Reliable Event Publishing in Microservices Read Post »
Production guide to implementing CQRS and event sourcing with Axon Framework including command handling, event stores, read model projections, and scaling strategies.
CQRS and Event Sourcing with Axon Framework: Production Implementation Guide Read Post »