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Learn how to diagnose production-only bugs using logs, metrics, distributed tracing, and environment analysis — and why a PaaS makes debugging far easier.
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Bugs that appear only in production are usually environment problems, not code problems. Diagnose them systematically: gather evidence before touching code, write context-rich logs, use metrics to spot trends, trace requests across services, and verify the deployment itself before blaming your logic. Most of the difficulty comes from self-managed infrastructure — the "infrastructure tax." A PaaS centralizes logs, metrics, and deployment history, eliminating config drift and cutting incident response time.