DevOps Topic

DevOps

DevOps is the part of the job where mistakes are visible to everyone immediately. These posts cover deploy guardrails, why Friday deploys earn their reputation, what real monitoring looks like, and the practices that make production changes routine instead of dangerous.

Backend

Posted on May 10, 2026

Hibernate's ddl-auto Is Not a Migration Tool

ddl-auto: update silently adds columns and never drops them. What it does to your schema, why it fails on renames, and how to safely replace it with Flyway.

Monitoring Is Not a Dashboard

Real monitoring is not a Grafana dashboard. It is knowing which questions to ask, which signals answer them, and what to do when the answer is unexpected.

The Deploy That Took Down Friday

Friday deploys have a reputation for a reason. Here's why they go wrong, what guardrails actually help, and when it's okay to ship on a Friday anyway.