I’ve been using HttpClient wrong for years and it finally came back to bite me. My site was unstable and my clients furious, with a simple fix performance improved greatly and the instability disapeared.

At the same time I actually improved the performance of the application through more efficient socket usage.

Kestrel + Nginx are awesome together. Let's try serving up our Kestrel site over SSL with HTTP2

Kestrel is a server capable of serving up ASP.NET Core applications on any platform but in production you need to run it behind another server.