Choreography vs Orchestration: Where Saga State and Failures Live
Compare choreography vs orchestration for microservice sagas: where workflow state lives, failure handling, coupling, observability and when to use each.
13 min read
Category
Microservices
Service boundaries, communication, data ownership and the operational reality of distributed systems.
CQRS Pattern Explained: When Separate Read Models Pay Off
Learn what the CQRS pattern is, how read models are built and kept consistent, when separation pays off, when to avoid it, and how to adopt it incrementally.
18 min read
Shared Libraries in Microservices: What to Share and What to Avoid
Learn which code belongs in shared libraries for microservices, how hidden coupling forms, and how to version, own, and replace internal packages safely.
13 min read
Distributed Tracing for Microservices with OpenTelemetry
Learn how distributed tracing works with OpenTelemetry: propagate trace context across HTTP and queues, instrument services, sample, and run the Collector.
14 min read
Deployment Strategies Compared: Rolling, Blue-Green and Canary
Compare rolling updates, blue-green deployment and canary releases by blast radius, rollback speed, capacity cost and compatibility needs, and learn when to use each.
13 min read
The Transactional Outbox Pattern: Reliable Events from Your Database
Learn how the transactional outbox pattern solves the dual write problem, how to build polling or CDC relays, and how to handle duplicates and ordering.
17 min read
Backward Compatible API Changes: A Checklist for Service Owners
How to judge backward compatible API changes against real consumer behavior, classify breaking changes, apply tolerant readers, and run deprecation.
18 min read
Idempotency in Distributed Systems: Making Retries Safe
Learn how idempotency keys, durable dedup records and atomic state transitions make retries safe when exactly-once delivery is impossible.
14 min read
Contract Testing for Microservices: A Consumer-Driven Guide
Learn how consumer-driven contract testing works, how to gate deployments on verification results, and when it can replace end-to-end integration tests.
12 min read
The Saga Pattern: Distributed Transactions Without Two-Phase Commit
How the saga pattern replaces two-phase commit with local transactions and compensating actions, and how to design for its anomalies, failures and costs.
13 min read
Circuit Breaker Pattern, Retries and Timeouts as One Failure Budget
Learn how to design timeouts, retries with backoff and the circuit breaker pattern together so services survive partial failure instead of amplifying it.
14 min read
Microservices Environment Changes: A Guide to Safe Config Rollout
Treat microservices environment changes as deployments: classify config, version it, use expand/contract, canary rollouts, and safe secret rotation.
13 min read