LOGS AND METRICS IN JAVA SPRING BOOT

About this project

This project aims to show how to monitor metrics and logs between REST applications.

Archtecture

Here's a diagram representing the hierarchy and dependencies among the projects in this repository:

docker enviroment

Loki, prometheus and grafana configurtion are placed in ./docker/ folfer.

Start containers

Run all container

# go to docker folder
cd ./docker
# run all containder services
docker compose up -d

Configure prometheus in grafana

• Access grafana:
  • Open your browser and go to http://localhost:3000
  • log with default user admin and password admin
• Add Prometheus as a Data Source in Grafana:
  • Go to Connections > Data Sources > Add data source.
  • Select Prometheus and set the URL to http://prometheus:9090.
  • Save it.
• Select a prometheus dashboard
  • Go to dashboard
  • New dashboard
  • Import dashboard
  • add dashboard template url http://grafana.com/grafana/dashboards/4701

Configure loki in grafana

• Access grafana:
  • Open your browser and go to http://localhost:3000
  • log with default user admin and password admin
• Add Loki as a Data Source in Grafana:
  • Go to Connections > Data Sources > Add data source.
  • Select Loki and set the URL to http://loki:3100.
  • Save it.