'''bach
// start kafka services
brew services start zookeeper $$ brew services start kafka
//init kafka topic
kafka-topics --bootstrap-server localhost:9092 --topic first.topic --create --partitions 3 --replication-factor 1
// start backend servers
cd backend-producer && npm run start
cd backend-consumer && npm run start
// start frontend
cd frontend && npm run start
'''
With plans to later add message persistence by saving messages to a database. Like psql or mongo, I don't know what it is yet.