| 123456789101112 | 
							- SPARK_HOME=$(python3 -c 'import json,sys;config=json.load(open("./settings.json"));print(config["spark_home"])')
 - SPARK_MASTER=$(python3 -c 'import json,sys;config=json.load(open("./settings.json"));print(config["spark_master"])')
 - 
 - echo "Starting spark master..."
 - "$SPARK_HOME"/sbin/start-master.sh
 - echo "Starting spark workers..."
 - SPARK_WORKER_INSTANCES=5 "$SPARK_HOME"/sbin/start-worker.sh "$SPARK_MASTER"
 - echo "Starting cassandra container..."
 - docker run -d -p 9042:9042 cassandra
 - echo "Starting spark history server..."
 - mkdir -p /tmp/spark-events
 - "$SPARK_HOME"/sbin/start-history-server.sh
 
 
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