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Debugging apps with Deno and OpenTelemetry with Luca Casonato

23 snips
Mar 27, 2025
Guest
Luca Casanato
Luca Casanato, a member of the Deno core team, shares his expertise on debugging applications with Deno and OpenTelemetry. He reveals how OpenTelemetry elevates application monitoring through metrics, logs, and traces. The conversation uncovers the streamlined instrumentation of Deno compared to Node.js, emphasizing its built-in telemetry features. Luca also discusses the complexities of debugging while providing valuable tips for developers to simplify their code and enhance performance monitoring. Plenty of insights for anyone diving into modern app development!
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ADVICE

Learn More About Deno

  • Learn more about Deno, a JavaScript runtime with benefits for quick and secure application rollout.
  • Check out previous episodes with Luca Casonato for more Deno and security insights.
ADVICE

OpenTelemetry for Production Debugging

  • Use OpenTelemetry's logs, traces, and metrics to understand application behavior in production.
  • Metrics help detect anomalies, traces pinpoint issues within requests, and logs provide detailed context.
ADVICE

Setting Up Telemetry in Deno

  • In Deno, set the endpoint and API key via environment variables for telemetry export.
  • Use the OpenTelemetry API SDK for custom metrics without complex configuration.
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