A candid account of an agentic feature in production: what the evaluation harness caught, what it did not, and the two incidents that changed how we scope tool access.

The five operational decisions that account for most self-hosted Postgres pain, and what to pick for each when nobody on the team wants to be the database person.

A profiling walkthrough of a monorepo build that went from eleven minutes to ninety seconds, with the measurements that justified each change.

Hands-on: take a table with sixty million rows through four migrations without downtime. Bring a laptop with Docker.