Demo Java / Loki / Grafana

Overview

Demo for testing :

• Java

• Loki with Logback (loki-logback-appender)

• Grafana

Run the demo

Start Loki and Grafana instances

With Docker :

docker compose up -d

Open Grafana at : http://localhost:3000/explore

Check Loki at :

• http://localhost:3100/ready (readiness)

• http://localhost:3100/metrics (Prometheus metrics)

Generate logs with Java

Execute com.example.Demo.

References

• Grafana Loki documentation

  • Get started

  • Loki overview

  • LogQL: Log query language

  • LogCLI

• https://piotrminkowski.com/2023/07/05/logging-in-spring-boot-with-loki/