[Unit]
Description=Apache Spark Standalone Master
After=network.target

[Service]
User=apache-spark
Group=apache-spark
Environment=SPARK_LOG_DIR=/var/log/apache-spark
ExecStart=/opt/apache-spark/sbin/run-slave.sh %i

[Install]
WantedBy=multi-user.target
DefaultInstance=127.0.0.1:7077