[Unit] Description=Alertmanager for Prometheus Documentation=https://prometheus.io/docs/alerting/alertmanager/ Requires=network-online.target After=network-online.target [Service] Restart=on-failure User=prometheus EnvironmentFile=/etc/default/prometheus-alertmanager ExecStart=/usr/bin/prometheus-alertmanager $ARGS ExecReload=/bin/kill -HUP $MAINPID TimeoutStopSec=20s SendSIGKILL=no [Install] WantedBy=multi-user.target