Hello World for RabbitMQ based on the guide from https://www.rabbitmq.com/tutorials/tutorial-one-elixir.html
Make sure rabbitmq is installed locally, follow: https://www.rabbitmq.com/install-debian.html#apt-quick-start-cloudsmith
Open two shells, and on each shell run iex -S mix
First, run the receiver in shell 1 Receiver:
Receiver.init()
Then, run the sender in shell 2 Sender:
Sender.send_hello()
You should see the message show up on the receiver screen!