How does CQRS work in distributed systems? A practical guide to domain events, message brokers, projections, Outbox, idempotency, and eventual consistency.
How does CQRS stay safe in production? Consistency lag, duplicate events, reordering, projection recovery, retries, DLQs, and Saga strategies.
How does DDD survive production change? A guide to Event Storming, Saga, Transactional Outbox, Anti-Corruption Layers, and Strangler Fig modernization.
The PSP taking the money is one step. Finishing the order is a saga that needs stock, finance, notifications, and cleanup to all succeed.
Building a 2PC across the PSP, the order, and finance is a trap. Saga plus reconciliation is the real answer this eight-part arc has been building toward.
