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Nanos Unikernel offers an alternative to Kubernetes for running Java applications in the cloud by leveraging existing cloud provider hypervisors. Unlike containers that share a Linux kernel, Nanos images contain only what the Java application needs, allowing the JVM to use 100% of VM resources. This approach eliminates container runtime overhead, reduces attack surface, and delivers faster startup, lower latency, and higher throughput. The result is better hardware utilization with more workloads per physical node compared to containers, while maintaining scalability, continuous upgrades, and isolation through native cloud hypervisor features.

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The Key Point: Cloud hypervisors already have everything you need...

Nanos Images = Cloud-Native Immutable Images

CI/CD: GitHub Actions for Building JVM Azul Jre 25 + Payara 7 on Nanos Images