Cookbook

Practical solutions to common logging problems. Each recipe is self-contained with copy-pasteable code.

Cookbook

• FastAPI Microservices in Production
• FastAPI JSON logging to stdout (Uvicorn access logs included)
• FastAPI request_id logging (correlation ID middleware, concurrency-safe)
• Django Structured JSON Logging with Correlation IDs
• Non-blocking logging in FastAPI (protect latency under slow sinks)
• One FastAPI logging config for dev + prod (Uvicorn/Gunicorn)
• Redacting secrets and PII in FastAPI logs (Authorization, tokens, fields)
• Compliance Redaction: What Works and What Doesn’t
• Logging request/response bodies without hanging (safe patterns)
• Skipping health/metrics endpoints (noise reduction)
• Log sampling and rate limiting for FastAPI
• Adaptive Sampling for High-Volume Services
• Graceful shutdown & flushing logs (don’t lose logs on deploy)
• Exception logging in FastAPI with request_id + structured context
• Custom log levels in Python (TRACE, VERBOSE, NOTICE)

Getting Started with Fapilog

New to fapilog? Start here:

• Why Fapilog? - Is fapilog right for your project?

• Quickstart - Install and run in 2 minutes

• Core Concepts - How the async pipeline works

• Comparisons - fapilog vs structlog, loguru, stdlib