[Unit]
Description=Grafana server
Documentation=http://docs.grafana.org
[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=on-failure
ExecStart=/opt/prometheus/grafana/bin/grafana-server \
  --config=/opt/prometheus/grafana/conf/defaults.ini \
  --homepath=/opt/prometheus/grafana
[Install]
WantedBy=multi-user.target