Grafana is the visualization layer for metrics and logs collected from InfluxDB, Loki, Telegraf, and Alloy. It exposes the UI on port 3000 (mapped to 3014 on the host) and stores dashboards in grafana_data.【F:monitoring/compose.yml†L1-L28】
grafana/grafana:latest3014:3000monitoring_net, backend_net, db_netgrafana_data:/var/lib/grafanaGF_SECURITY_ADMIN_USER/PASSWORD), PUID, PGIDunless-stoppedhttp://influxdb:8086) and Loki (http://loki:3100) after deployment.【F:monitoring/compose.yml†L200-L239】grafana_data to preserve dashboards, alert rules, and plugins.