Amazon.Lambda.Annotations How to use ILambdaContext in dependecy injection container?

[Breno709]

I can use ILambdaContext by injecting it directly at the endpoint handlers, as explained in documentation:

[LambdaFunction(MemorySize = 512, Timeout = 55)]
[HttpApi(LambdaHttpMethod.Get, "/add/{x}/{y}")]
public int Add(int x, int y, ILambdaContext context)
{
    context.Logger.LogInformation($"{x} plus {y} is {x + y}");
    return x + y;
}

but I would like to inject it in others services through DI container, since I'm using depency injection. But I didn't realize how to achieve this goal. I can't find a way to register ILambdaContext at DI container.
Am I erroneously thinking about the use of ILambdaContext? Is it that a missing feature? Or there's a way to achieve that somehow?

[normj]

You are correct we are manually injected ILambdaContext for the method. We could add it to the DI container as well if we see the user is using DI. My worry though is this is DI resolution for services at the constructor for the type with the method would fail. There is no ILambdaContext at the point the constructor is called. It would only be good for services using the FromService attribute on parameters of the LambdaFunction. Is that what you would expect to happen? Given those constraints would you still use it?

@github-actions proposed-answer

[ashishdhingra]

Also refer blog post How To Set Up Dependency Injection in Lambda Functions Using Annotations Framework for reference.

[zaus]

I think I need this in order to inject the current context request/trace id into a dependency of my function call (e.g. an internal API client). for example:

Functions.cs is the handler class, which expects an IMyApiService as a constructor argument.
In Startup.cs I set up the transient of IMyApiService, and the transient of Functions. I want to attach the current request id as a tracing header to my API service client, which I could do within each function call using its ILambdaContext but I'd rather do it once.

[cliff-wakefield-acurus]

What to do exactly this too.

[github-actions[bot]]

Hello! Reopening this discussion to make it searchable.