running loki and grafana on docker swarm

Loki is a log-aggregator from the grafana team, aimed to run very cost effective. As an elastic stack feels a bit oversized for my side-projects, i just tested Loki on docker swarm. log collector: docker-driver vs promtail Loki comes with a log shipper called promtail. But as the docs stated, promtail is not that easy to run with docker (for example, log docker logs to a syslog server and point promtail to syslog), so they built a docker logging plugin....

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