Managing Dependencies in Azure Functions

service-locator.cs

public class ServiceLocator
{
  public ServiceLocator()
  {
    this.Build();
  }

  public IServiceLocator Instance { get; private set; }

  private void Build()
  {
    var builder = new ContainerBuilder();

	// Register dependencies.
    builder.RegisterType<MapperFactory>().As<IMapperFactory>().InstancePerDependency();
    builder.RegisterType<UserService>().As<IUserService>().InstancePerDependency();

    var container = builder.Build();

	// Create service locator.
    var csl = new AutofacServiceLocator(container);

	// Set the service locator created.
    Microsoft.Practices.ServiceLocation.ServiceLocator.SetLocatorProvider(() => csl);

	// Use the service locator.
    this.Instance = Microsoft.Practices.ServiceLocation.ServiceLocator.Current;
  }
}