# Prometheus is not in the Grafana apt repo, so install.sh drops the release binary into
# /opt/prometheus and installs this unit. Flags: remote-write + OTLP receivers ON (Alloy and
# Tempo push to it), 15-day local retention.
[Unit]
Description=Prometheus
Documentation=https://prometheus.io/docs/
Wants=network-online.target
After=network-online.target

[Service]
User=prometheus
Group=prometheus
Type=simple
Restart=on-failure
RestartSec=5
ExecStart=/opt/prometheus/prometheus \
  --config.file=/etc/prometheus/prometheus.yml \
  --storage.tsdb.path=/var/lib/prometheus \
  --storage.tsdb.retention.time=15d \
  --web.enable-remote-write-receiver \
  --web.enable-otlp-receiver \
  --web.listen-address=0.0.0.0:9090

[Install]
WantedBy=multi-user.target