article
Designing microservices often remains empirical, lacking traceability with business needs and leading to inconsistent service boundaries. This paper addresses this challenge by introducing USToMS (User Story To Microservices), a structured methodology that derives candidate microservices directly from user stories. The approach applies systematic rules and heuristics to delimit bounded contexts (BC), then models each context as a microservice using hexagonal architecture. A case study in e-commerce shows improved traceability, clearer service isolation, and reduced design complexity. Perspectives include formalizing and automating rules to extend USToMS toward large-scale and tool-supported adoption.
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DOI: 10.1109/icecer65523.2025.11401339
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