Python Observability
Problem Statement
Production issues are impossible to debug without observability. Logging, metrics, and tracing must be built in from the start. Silent failures, missing context in errors, and lack of metrics make incidents last longer.
Pattern: Structured Logging
Problem: Unstructured logs are hard to search and analyze.
# ❌ BAD: Unstructured logging
import logging
logger = logging.getLogger(__name__)
logger.info(f"User {user_id} started as
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