Production-ready Java implementation of the Transactional Outbox Pattern for Spring Boot 4, Kafka and PostgreSQL, with idempotency, batch publishing, recovery and low database polling.
microservices kafka spring-boot microservice grafana postgresql prometheus grafana-dashboard gatling observability microservices-demo idempotency grafana-prometheus microservices-example outbox transactional-outbox idempotency-key outbox-pattern transactional-outbox-pattern observability-dashboard
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Updated
Sep 11, 2026 - Java