Green Blue Deployments

[walkerrandolphsmith]

Green Blue deployments describe two versions of the same service running in production.

We can demonstrate green blue deployments by using Istio to manage envoy sidecar proxies and apply weighted traffic rules. Weighted rules allow for percentage-based thresholds to be applied to deployments of different versions of a service. 40% of traffic goes to the blue version and 60% to the green version

Example scenario: