AWS First-In-First-Out Queues

Recently, I needed to put together system that would take new DynamoDB table items, queue up JSON messages in first-in-first-out order, and trickle them out to a 3rd party API over time.

I love not having to maintain things later so I decided to throw together a solution on top of managed AWS services. Here’s a high-level diagram of what I came up with:

Full Queue Diagram

Let’s take a look at how it all works.