How to create asp.net core startup tasks
Reference: https://andrewlock.net/reducing-latency-by-pre-building-singletons-in-asp-net-core/
The link above walks through a useful alternative to other app-startup features in .NET Core. He also provides descriptions of those other features.
It is useful when operations need to be performed only one time before the application runs: IWebHost.Run().
Trouble installing Vagrant? This may help.
When using Windows 10, the BIOS of the system must have virtualization enabled and the OS must not enable Hyper-V before installing Vagrant. The feature in Windows may be disabled for a number of reasons. In my case, it was disabled because the virtualization feature of the system was disabled in the BIOS. The Windows machine needs to support virtualization, virtualization needs to be enabled in the BIOS, and the Hyper-V feature must be turned off in the Windows OS.
Finally, Vagrant may be installed