You've probably heard a few talks about queued jobs processing, in your favourite framework. I'm here to show you that AWS Lambda can do the work of a dedicated background processing app at a fraction of the cost and complexity.
In this talk, we'll take a look at an app that processes user-submitted audio files, and returns the waveform images back. We'll cover what you need to know to get this kind of app working, and how Lambda interacts with other AWS services (like S3).