# cat /etc/systemd/system/nexus.service
[Unit]
Description=nexus
After=network.target
[Service]
Type=forking
ExecStart=/srv/app/nexus/bin/nexus start
ExecStop=/srv/app/nexus/bin/nexus stop
User=nexus
Restart=on-failure
[Install]
WantedBy=multi-user.target