Install Spark and run master and slaves (workers) in standalone mode.
brew install apache-spark
/usr/local/Cellar/apache-spark/2.3.1/bin/spark-class org.apache.spark.deploy.master.Master
/usr/local/Cellar/apache-spark/2.3.1/bin/spark-class org.apache.spark.deploy.worker.Worker spark://<MASTER_IP>:7077 -c 1 -m 512M
In PostgreSQL