var builder = new ContainerBuilder();

builder.Register<ConfigurationService>().AsImplementedInterfaces().SingleInstance();

 // Register the configurations from the ConfigurationService as their respective interfaces
 builder.Register(c => c.Resolve<IConfigurationService>().TriangleConfiguration).As<ITriangleConfiguration>();
 builder.Register(c => c.Resolve<IConfigurationService>().SquareConfiguration).As<ISquareConfiguration>();
 builder.Register(c => c.Resolve<IConfigurationService>().CircleConfiguration).As<ICircleConfiguration>();