Flow Town: a map of the work behind software delivery
Flow Town is a free interactive map of Enablement Engineering: find where your software delivery is stuck, or choose your next DevOps specialisation.
CI/CD & Testing
Articles on CI pipelines and test automation: slow CI, flaky tests, test selection, merge queues, keeping main green and DORA metrics.
2026
How many changes can you land at once?
Merge queues automate rebasing and testing PRs at scale, with batching, speculative checks, and bisection tradeoffs explained through failure-rate math.
The tests you didn't need to run
Fix slow CI with test selection: test impact analysis, only-changed flags and Meta's Predictive Test Selection skip the tests a change can't break.
Two CI strategies to keep main green
A discussion on CI/CD strategies to keep main green: block bad changes with a merge gate, or land them fast and chase failures with automated bisection and rollback. Or blend both!
A short series on Test Automation
Slow CI and flaky tests feel like the price of quality. DORA research shows speed and stability move together. A series on test automation strategies.
56 Repositories, 5 Hours and $80: How I automated a large-scale update with AI
A reproducible AI-assisted workflow for large-scale migrations across many repositories, with Renovate and Claude. 56 repositories, 5 hours, $80.