A practical guide to implementing feature slice folder structure in .NET projects. Covers the top-level Features/Shared/Program.cs layout, how to organize domain areas and use cases, when to nest vs. flatten features, where entities and DTOs belong, how to handle validation, and how to automate handler and endpoint registration using reflection or Scrutor. Includes a full medium-complexity project example with 19 use cases across 3 domain areas, plus a decision reference table and FAQ.
Table of contents
The Starting Point: A Feature-Sliced Project RootStructuring the Features FolderWhen to Nest Features vs. When to FlattenStructuring the Shared FolderA Real Example: Medium-Complexity ProjectAutomating RegistrationWhere Validation BelongsConnecting This to the Broader ArchitectureSummary: Feature Slice Folder Structure DecisionsFrequently Asked QuestionsSort: