Background jobs are tasks that run "behind the scenes" in your application. They handle work that doesn't need to happen immediately or that might take a long time to complete.
It's easy to use cloud providers for deployment, but managing your own gives you full control over your environment. This lets you customize your setup, keep things simple, and learn more about the process. You can also optimize your app for performance and security based on your needs.
Let's say you are working at a company, and there is an application written in the .NET Framework that has been in use for 15 years and is now considered legacy. How can we modernize this application using current technologies?