DevOps
Zero-downtime deploys without Kubernetes: a practical look at Kamal
Kamal ships containers to plain Linux servers over SSH and swaps traffic with a tiny proxy. Here's how the pieces fit, and when it's the right tool.
Tag
#deployment
Every story tagged #deployment.
DevOps
Rolling, blue-green or canary? Choosing a deploy strategy
Every deploy strategy trades speed, cost and blast radius differently. Here's how the three common ones compare and when each makes sense.
DevOps
Feature flags: separating deploy from release
Shipping code and turning on a feature don't have to happen at the same moment. Flags make releases boring — if you also clean them up.
DevOps
Zero-downtime database migrations with expand and contract
Renaming a column sounds trivial until old and new code run at the same time. The expand/contract pattern makes schema changes safe during live deploys.