[Unit]
Description=JokesDB
After=syslog.target network.target

[Service]
EnvironmentFile=-/etc/default/jokesdb
SuccessExitStatus=143

User=jokesdb
Group=jokesdb

Type=simple

WorkingDirectory=/var/jokesdb
ExecStart=/usr/bin/env ${JAVA_HOME}/bin/java -DDB_USERNAME=${DDB_USERNAME} -DDB_PASSWORD=${DDB_PASSWORD} -jar ${JAR_FILE} 
ExecStop=/bin/kill -15 $MAINPID

[Install]
WantedBy=multi-user.target