[Unit]
Description=Prometheus Server
Documentation=https://prometheus.io/docs/introduction/overview/
After=network-online.target

[Service]
Restart=on-failure
ExecStart=/usr/local/bin/prometheus \
  --config.file=/etc/prometheus.d/prometheus.yml \
  --storage.tsdb.path=/var/opt/prometheus/

[Install]
WantedBy=multi-user.target