[Unit]
Description=Prometheus Alertmanager.
Documentation=https://github.com/prometheus/alertmanager
After=network.target

[Service]
EnvironmentFile=-/etc/default/alertmanager
User=prometheus
ExecStart=/usr/bin/alertmanager $ALERTMANAGER_OPTS
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=5
LimitNOFILE=16384


[Install]
WantedBy=multi-user.target