System Design Aug 2, 2026 11 min read
Structured Logging and Correlation IDs Explained
Design searchable JSON logs and correlation IDs that connect requests, messages, traces, and failures without leaking secrets or exploding cost.
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Privacy
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API Design Jul 26, 2026 8 min read
Preventing Sensitive Data from Being Cached
Protect authenticated and personalized API responses from browser and shared-cache leaks with safe Java and Node.js policies and tests.