Autofac && Autofac.Integration.WebApi (2?)
Create new class libraries - Domain, Core and Data
Domain - managers (business logic, validations), referenced in Api
Core - entities, interfaces (IManagers, IRepositories) referenced in all projects
Data - repositories, referenced in Domain
Autofac && Autofac.Integration.WebApi (2?) Create new class libraries - Domain, Core and Data Domain - managers (business logic, validations), referenced in Api Core - entities, interfaces (IManagers, IRepositories) referenced in all projects Data - repositories, referenced in Domain