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

[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=always
ExecStart=/usr/bin/prometheus \
  --config.file=/etc/prometheus/prometheus.yml \
  --storage.tsdb.path=/var/lib/prometheus/data

[Install]
WantedBy=multi-user.target