Grafana, Loki & Promtail

This section describes the logging/visualization stack used in this Dashboard:

• Grafana for dashboards
• Loki for log storage/query
• Promtail for shipping Docker container logs into Loki

Grafana connects to Loki for logs and typically to Prometheus for metrics (if Prometheus is enabled in your compose).

Key services (compose)

• Grafana
• Service name: grafana
• Default port: 3000 inside the Docker network
• Loki
• Service name: loki
• Default port: 3100
• Internal URL: http://loki:3100
• Promtail
• Service name: promtail
• Ships logs from /var/lib/docker/containers via Docker socket discovery

Data sources inside Grafana

• Logs: configure Loki datasource with http://loki:3100
• Metrics: configure Prometheus datasource with http://prometheus:9090 (if you enabled Prometheus)