RabbitMQ is AMQP-based and one of the most widely used lightweight, reliable, scalable, portable, and robust message brokers that is written in Erlang. The important reason behind the popularity of RabbitMQ is that it is easy to set up and fit for the cloud scale. RabbitMQ is open source and supported by most of the operating systems and platforms. The applications that use RabbitMQ can communicate with other systems via a platform neutral, wire-level protocol—the AMQP. Now, let's go through how to configure RabbitMQ.