Workshop :: Observability of NodeJS

• Application Metric
  • Prometheus
  • Grafana
• Distributed Tracing
  • OpenTelemetry
  • Jaeger
• Centralized log
  • ELK stack

1. Application metrics

Start Service 2

$docker compose up -d service2 --build
$docker compose ps

Access to service 2

• http://localhost:3002/movies

Access to metrics

• http://localhost:3002/metrics

Start prometheus server

$docker compose up -d prometheus
$docker compose ps 

Access to prometheus server

• http://localhost:9090

Start grafana server

$docker compose up -d grafana
$docker compose ps 

Access to grafana server

• http://localhost:3000
  • user=admin
  • pass=admin

2. Distributed Tracing

Start Jaeger

$docker compose up -d jaeger
$docker compose ps

Access to Jaeger

• http://localhost:16686/search

Start Service 1

$docker compose up -d service1 --build
$docker compose ps

Start Service 2

$docker compose up -d service2 --build
$docker compose ps

Access to service 1 -> service 2

• http://localhost:3001/dashboard

3. Centralized log with ELK stack

Start Service 3

$docker compose up -d service3 --build
$docker compose ps
$docker compose logs --follow

Access to service 3, see log in terminal

• http://localhost:3003/movies