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How we secured inter-service communication with HMAC-SHA256 signed tokens that expire in 10 seconds — no session state, no API keys to rotate, no middleware databases to query.
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- Published on
How replacing API response proxying with 307 redirects to signed CDN URLs eliminated origin bandwidth costs and removed an entire class of streaming bugs.- Published on
How to implement Stale-While-Revalidate caching that adapts based on user type and endpoint sensitivity. B2B users get fresh stock data while anonymous visitors enjoy faster cached responses.- Published on
How we squeezed 6x more cache entries into a 1GB Redis instance using gzip compression, while maintaining type safety and sub-millisecond overhead.- Published on
Three SQL anti-patterns that were killing our search performance, and the CTE optimizations that fixed them.