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CNCF OpenTelemetry Tutorials & Labs
CNCF · opentelemetry.io/docs/demo
The OTel Demo Application is a fully instrumented microservices application in multiple languages with the complete OTel stack deployed. It's the fastest way to see OTel working in a realistic multi-service environment — traces flowing through services, Collector processing them, and a Grafana frontend visualising the results. The guided labs walk through adding instrumentation to existing services.
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