Adding a Queue Based Service

In this recipe, we will create a simple asynchronous event recording service. In this context asynchronous means that we will expose the service over a queue rather than a direct point to point connection.

We will be using Redis as a our queue mechanism, specifically we're using a Redis list structure with the LPUSH and BRPOP commands to make a FIFO queue.

Redis and Node
We cover using Redis with Node in the Storing and Retrieving Data with Redis reciepe in Chapter 6, Persisting to Databases holds.

Getting ready

To prepare for this recipe we need to ensure that we have Redis available. The simplest way to do this is to use the official Docker Redis image, so, to get ready for this section...