[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