Notes
Engineering Notes
Concise technical writeups on patterns and decisions from production work.
API Design
Versioning, error contracts, idempotency. The parts that matter at 3am.
PostgreSQL Optimization
Indexing, EXPLAIN ANALYZE, connection pooling. Measured, not guessed.
Authentication
Access/refresh token flows, session invalidation, API key scoping.
Caching
Cache-aside, TTL strategy, and the data you should never cache.
Distributed Systems
At-least-once delivery, outbox pattern, consumer idempotency.
Docker Deployments
Multi-stage builds, health checks, non-root containers.