DevOps
How to Run an Incident Postmortem That Prevents Repeats
Most postmortems produce a document and no change. How to run one that ends in owned, dated actions instead of a wiki page nobody reads twice.
David White 6 min read DevOps
CI/CD pipelines, deployment strategies, infrastructure, and everything that keeps your code running.
David White 6 min read DevOps
How to Roll Back a Bad Deploy Without Making It Worse
Rollback is not an undo button. When to roll back a bad deploy, when to roll forward, and the migration and cache traps that make rollbacks fail.
Jonny Rowse 7 min read DevOps
Managing Environment Variables and Secrets in CI/CD Pipelines
How to manage environment variables and secrets in CI/CD pipelines safely: scoping, masking, OIDC, rotation, and the mistakes that leak credentials.
Zubair Hasan 9 min read DevOps
What Is a CI Build? Continuous Integration Explained Step by Step
What a CI build actually is: triggers, stages, caching and artefacts explained, and how continuous integration keeps your main branch releasable.
David White 6 min read DevOps
Secrets Management for Developers: A Practical Guide
A practical guide to secrets management: stop committing tokens, pick the right vault, rotate cleanly, and keep CI from leaking credentials in logs.
Gareth Clubb 10 min read DevOps
Service Level Objectives: A Developer's Guide to SLOs and Error Budgets
A practical guide to setting and tracking SLOs: pick meaningful SLIs, calculate error budgets, alert on burn rate, and avoid the metrics that mislead teams.
Jonny Rowse 9 min read DevOps
GitHub Actions Patterns Every Developer Should Know
GitHub Actions patterns for faster, safer CI: reusable workflows, matrix builds, OIDC, dependency caching, concurrency control, and secret handling that scales.
Zubair Hasan 11 min read DevOps
How to Speed Up Your CI Builds: A Practical Guide
Learn how to speed up slow CI builds with dependency caching, parallelisation, incremental builds, and Docker layer optimisation. Practical patterns that work.
Jonny Rowse 14 min read DevOps
Deployment Strategies Explained: Blue-Green, Canary, and Rolling Updates
Learn the key deployment strategies used by modern teams, including blue-green, canary, and rolling updates, with practical guidance on choosing the right one.
Zubair Hasan 10 min read