Look at how you can ensure that services are disposed of when using dependency injection with .NET Core Console applications.
Shows how you can use Autofac to resolved WebJob instances and inject dependencies into your web jobs
I demonstrate how you can use Autofac to resolve dependencies differently based on whether the user is authenticated or not.
Part 3 of 4 of my introduction to using FluentValidation in ASP.NET MVC. This post covers how to inject dependencies into your validation classes.