[Unit]
Description=promtail is the agent responsible for gathering logs and sending them to Loki.
Documentation=https://github.com/grafana/loki/blob/master/docs/promtail.md

[Service]
Restart=always
User=loki
EnvironmentFile=-/etc/sysconfig/promtail
ExecStart=/usr/bin/promtail -config.file=${CONFIG_FILE}
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
SendSIGKILL=no

[Install]
WantedBy=multi-user.target