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Zero-Downtime Deployments for Java Apps on Kubernetes

calendar_today May 29, 2026 person Ramya vani Rayala domain dzone

This article provides a comprehensive guide to achieving zero-downtime deployments for Java-based applications on Kubernetes. We cover deployment strategies, Kubernetes primitives, Java-specific considerations, session state handling, database migrations, traffic shifting techniques, CI/CD pipelines, GitHub Actions, Jenkins with automated rollbacks, observability (Prometheus, Grafana, Jaeger), Helm/ArgoCD examples, testing strategies (canary analysis, chaos, smoke tests), and troubleshooting.

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