The two pillars of requirements

It’s Friday afternoon, 4:00 p.m. You’ve just merged the feature, the pipeline is green, and you feel invincible. Then the Slack message comes from the product owner: “Hey, looks good, but why does X happen when I do Y? That was discussed completely …

In our previous articles about SAGA and CQRS we have tacitly assumed one thing:

Do you know that? You start a new project with a clean domain model. Your Order entity is perfectly normalized, the database relationships are cleanly defined (3rd normal form), and saving an order is lightning fast. Everything feels right.