A log line saying that an order was updated answers none of the questions asked during a dispute. Recording only the changed fields rather than the whole model…
Recording that a message was handled and doing the work are two writes, and a crash between them is either a duplicate or a silent loss. Claiming outside…
A load balancer, an orchestrator and a monitoring system each want a health endpoint, and two services answering differently is two integrations. Excluding third-party dependencies is the rule…
A saga’s compensation is not the inverse of the step it undoes, and deciding what it should be is a conversation with somebody outside engineering. Ordering the steps…
An audit table that the application can update is an audit table that a compromised application can rewrite. The grant is the practical control and the trigger is…