Articles

Git worktrees: one brain, many agents working in parallel

When several people - or several AI agents - work the same repo at once, each on its own branch, you don't need N clones and you can't share one checkout. Git worktrees give you one history and many working directories: a single source of truth a central agent can reason over, while every worker builds, tests and commits in isolation.

SLOs that don't lie: measuring what users actually feel

Most SLOs are green while users suffer - they measure the system, not the person. How to build SLIs from real user journeys, give each journey the target it deserves, turn the gap into a team-owned error budget, and wire alerts that drill straight to the cause.

Designing alerts nobody ignores

Noisy alerts train your team to ignore the real one. A deep, practical guide to symptom-based, multi-window multi-burn-rate SLO alerting - the burn-rate maths, copy-pasteable PromQL, and the on-call process that makes pages trustworthy again.

Terraform modules that scale with your team, not against it

Reusable modules only scale if you treat them like products: small, reviewed, tested and versioned. A practical guide to building, releasing and consuming Terraform modules straight from GitHub - pinned to a tag or, when it matters, an immutable commit hash - with a Terragrunt layout that mirrors your estate.

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