How to send alert for every error in my logs using Promtail / Loki - AlertManager?

[syedrumanaws]

Please use this thread, it has some information.

Loki send alert when error message comes in log

Hi, I have nginx running in one ec2 instance and promtail is installed on that server, which sends logs to loki, which is running in another instance. I’m able to add loki as data source in grafana and check live logs, query results and all. But I want to receive alert when some error message comes in nginx-logs, I have metrics monitoring and alerting active using prometheus and grafana. Any reference or step by step document on implementing alerting for loki using alertmanager would help