Most breaches involving secrets do not involve sophisticated attacks. They involve a credential that was committed to a git repository
Continue readingSecrets Management in Practice: From Hardcoded Credentials to Short-Lived Identity
Every slow query investigation eventually reaches the same moment: you run EXPLAIN ANALYZE, and the plan makes no sense. Postgres
Continue readingReading EXPLAIN ANALYZE: Why Postgres Ignores Your Index
Your CPU does not read single bytes. It moves memory between caches in fixed-size blocks called cache lines — 64
Continue readingFalse Sharing in Go: How 64-Byte Cache Lines Slow Down Race-Free Code
Every API you ship is a promise. Clients hardcode your URLs, parse your field names, and schedule work around your
Continue readingAPI Versioning Strategies: Path vs Header, Calendar Dates, and Graceful Sunsets
Your webapp has a feature where users can attach an image by URL. A user submits https://example.com/logo.png and the backend
Continue readingSSRF: The Vulnerability That Turns Your Server Against Its Own Network
Every schema migration tool will happily tell you how to change a table. Almost none of them will tell you
Continue readingZero-Downtime Database Migrations: Expand-Contract, Backfills, and Locks
Every request that hits an LLM server pays the same tax before the first generated token appears: the prompt must
Continue readingvLLM Prefix Caching: The Prefill Optimization You’re Already Running
Every Go program ships with a garbage collector, and most run happily with the defaults. That changes the moment you
Continue readingGo GC Tuning with GOGC and GOMEMLIMIT: A Practical Guide for Containers
Every PostgreSQL connection is a process on the server. Not a thread, not an entry in a table — a
Continue readingDatabase Connection Pooling: PgBouncer, Pool Sizing, and the Math Behind Both
When a request crosses five services and the latency budget blows up, a single log line rarely tells you where
Continue readingDistributed Tracing in Go with OpenTelemetry