Implement observability in Python with Prometheus and Grafana

Short summary

Observability answers 'why' systems fail, not just 'if' they're down. This tutorial instruments a Python/FastAPI e-commerce API with Prometheus metrics using the RED method (rate, errors, duration), configures automated scraping, and visualizes results in Grafana. Docker Compose setup and GitHub Actions CI/CD pipeline included for immediate implementation.

• •Learn the three pillars of observability: metrics, logs, and traces
• •Implement RED method (Rate, Errors, Duration) monitoring with Prometheus
• •Deploy complete observability stack locally with Docker Compose and Grafana dashboards

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