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Microservices Patterns

Decomposition strategies, communication patterns, data consistency, resilience patterns (Circuit Breaker, Bulkhead, Saga), and operational concerns for building production microservices in 2026.

Microservices Patterns

Monolith vs microservices trade-offs

Bounded contexts and service decomposition

Synchronous vs asynchronous communication

API Gateway pattern

Service discovery

Health checks — liveness vs readiness probes

Idempotency in distributed systems

CQRS — Command Query Responsibility Segregation

Event Sourcing

Saga pattern — choreography vs orchestration

Circuit Breaker pattern

Transactional Outbox pattern

Bulkhead pattern

Strangler Fig pattern

Distributed data consistency challenges

Distributed transactions — 2PC vs Saga

Sidecar pattern and service mesh

Backward compatibility and API versioning in microservices

Event-driven microservices at scale — ordering, partitioning, and back-pressure

Deployment strategies for microservices