How to inject or use IConfiguration in Azure Function V3 with Dependency Injection when configuring a service

Question

Normally in a .NET Core project I would create a \'boostrap\' class to configure my service along with the DI registration commands. This is usually an extension method of

Answer 1

The newly released version 1.1.0 of Microsoft.Azure.Functions.Extensions allows you to do the following:

public class Startup : FunctionsStartup
{
    public override void Configure(IFunctionsHostBuilder builder)
    {
        var configuration = builder.GetContext().Configuration;
        builder.Services.AddCosmosDbService(configuration);
    }
}

Unfortunately it still does not support async configuration so you will still have to block waiting for the task to finish or use the trick described by @Nkosi