Rolling Deployments

Summary

A release strategy that gradually replaces old instances with new ones a few at a time, keeping the service available throughout — the default deployment strategy for most container orchestrators.

• 1Read how Kubernetes performs a rolling update by default.
• 2Compare rolling deployments' gradual risk exposure to blue-green's all-at-once switch.
• 3Learn what a 'canary deployment' adds on top of rolling deployments — a small initial traffic percentage.