How to Integrate OpenTelemetry With a FastAPI App

TL;DR

Integrating OpenTelemetry with a FastAPI application enhances observability, enabling developers to track performance and diagnose issues effectively. This tutorial guides you through setting up OpenTelemetry to export traces to Jaeger for better insights into application behavior.

Key Takeaways

• Install OpenTelemetry libraries in a virtual environment.
• Use Docker to run the Jaeger backend for trace visualization.
• Automatically instrument your FastAPI app without altering source code.
• Add custom spans to track specific application logic and performance.