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Transactional outbox architecture connecting PostgreSQL, an event relay, Kafka, and downstream microservices

Engineering31 Oct 2026· 10 min

Reliable Event-Driven Microservices with the Transactional Outbox Pattern

A production-focused guide to the transactional outbox pattern: atomic PostgreSQL writes, Debezium CDC, Kafka delivery, idempotent consumers, and operational failure handling.

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