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Workshop Observability

  • Centralized log with Distributed tracing
    • Docker logging
      • Go
      • NodeJS
    • Grafana Loki
    • Promtail agent
      • Ship the content of local logs to Grafana Loki
    • Grafana

Step 1 :: Create Centralized log system

$docker compose up -d loki
$docker compose ps
$docker compose up -d promtail
$docker compose ps
$docker compose up -d grafana
$docker compose ps

Go to grafana dahsboard :: http://localhost:3000/

  • user=admin
  • password=admin

Go to explore page :: http://localhost:3000/explore

  • Select datasource = Loki

Step 2 :: Run service with go

$docker compose up -d go --build

$docker compose ps
$docker compose logs --follow

Run with URL

See result in grafana

Step 3 :: Run service with NodeJS

$docker compose up -d nodejs --build

$docker compose ps
$docker compose logs --follow

Run with URL

See result in grafana

Step 4 :: Remove all resources

$docker compose down

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