OmNomNom
A walk through OmNomNom, a demo built to make service boundaries visible in code. Starts with what a service boundary actually is and works out from there.
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Service boundaries are about authority
Service boundaries are not about data shape or workflow. They are about authority, and most diagrams skip the part that matters.
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Finding service boundaries is not a naming exercise
Service boundaries are not named into existence. They are discovered by asking who actually gets to decide, what handoffs exist, and where authority quietly leaks.
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Finding OmNomNom's service boundaries
Walking OmNomNom through the questions from the previous post and landing on five boundaries that are nothing like Product, Order, Customer, and Payment.