
4 min read
Zero-downtime releases: blue-green, canary and feature flags
How to ship new versions without downtime: rolling updates, blue-green, canary, feature flags and database migrations using expand–migrate–contract.
- Development process
- DevOps
(Tag)
Infrastructure and DevOps: Docker, CI/CD, cloud, monitoring, backups and cost of ownership.

4 min read
How to ship new versions without downtime: rolling updates, blue-green, canary, feature flags and database migrations using expand–migrate–contract.

4 min read
The stages of a CI/CD pipeline, a working GitHub Actions example for a PHP project, how to keep it fast and which mistakes to avoid.

5 min read
What Kubernetes gives you, what running it costs, which alternatives suit small projects and the signs that you really need it.

5 min read
Docker makes development, test and production environments identical. We cover Dockerfile and Compose, production image rules and where to run containers.