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Video

Zero-Downtime Deployment on Kubernetes

Kubernetes allows a lot. After discovering its features, it's easy to think it can magically transform your application deployment process into a painless no-event. For Hello World applications, that is the case. Unfortunately, not many of us do deploy such applications day to day because we need to handle state. Though it would be much easier to have stateless apps — and despite our best efforts in this direction — state is found in (at least) two places: sessions and databases. You need to think keeping the state while stopping and starting application nodes. In this talk, I'll demo how to update a Spring Boot app deployed on a Kubernetes cluster with a non-trivial database schema change with the help of Hazelcast, while keeping the service up during the entire update process.

Speakers

Nicolas Frankel

Developer Advocate

Hazelcast

Topics:Kubernetes
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Zero-Trust
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API Security
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