<ul><li>Ensuring zero downtime during deployments is crucial for modern applications, especially in microservices architectures. Kubernetes, combined with Istio, provides powerful strategies such as canary deployments, blue-green deployments, and traffic routing to achieve seamless updates.</li><li>Blue-green deployments maintain two environments: one (“blue”) running the current version and another (“green”) for the new version.</li><li>Canary deployments gradually roll out changes to a subset of users before full release.</li><li>Istio provides fine-grained traffic control and resilience mechanisms, such as circuit breakers, retry policies, and timeout settings.</li></ul>

Zero-Downtime Deployments in Spring Boot with Kubernetes and Istio

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