I found the documentation regarding handling large uploads in a ASP.Net Core app confusing. I didn’t find a lot of code examples, and even none at all using F#. Eventually I found an example I could get inspiration from and build a working solution with. It should work with whatever ASP.Net Core based framework you use, as long as you can get a handle on the Microsoft.AspNetCore.Http.HttpContext instance. You will need to clarify some things before you put the code in production.

This post is part of series starting here. Here’s how I configure my mailers in a ASP.Net Core project developed in F#. I define an interface: type IMailer = // to * subject * body abstract Send: string * string * string -> unit of which I have 2 implementation. The first one is for development as it simply prints the mail on the server’s standard output: type ConsoleMailer() = interface IMailer with member _.