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Event Sourcing over CRUD for Audit Trail Compliance
Adopted Event Sourcing over CRUD and database triggers for audit trail compliance.
lesson_learnedevent-sourcingaudit-trailcompliancekafkapostgresql
Created 7/18/2026, 2:26:01 AM
Content
Decision: Move from standard CRUD to Event Sourcing using Kafka for financial transaction audit trail. Alternatives considered: database triggers (rejected - loses business context) and standard CRUD (rejected - overwrites state). Code: src/services/transactionService.ts and src/events/eventStore.ts. Reference: Martin Fowler Event Sourcing Pattern.