# Kubernetes — Sylvain Kalache

URL: https://www.sylvainkalache.com/topics/kubernetes

My writing, talks, podcasts, and projects about Kubernetes.

## Selected work

- [Half of Kubernetes Clusters Are About to Lose Security Updates](https://www.sylvainkalache.com/content/half-of-kubernetes-clusters-are-about-to-lose-security-updates.md) (2026-01-29; The Landscape): A deep dive into the Kubernetes support lifecycle and what it means for the massive number of clusters running end-of-life versions.
- [Kubernetes 1.34: Security, Performance, and DRA Go GA](https://www.sylvainkalache.com/content/kubernetes-1-34-security-performance-and-dra-go-ga.md) (2025-10-15; The Landscape): Release lead Vyom Yadav unpacks 58+ enhancements: DRA GA for GPU workloads, mutating admission policies, and major API server performance gains.
- [kpack: Kubernetes-Native Build Automation With CI/CD Integration](https://www.sylvainkalache.com/content/kpack-kubernetes-native-build-automation-with-ci-cd-integration.md) (2025-04-04; CloudNativeNow): Using kpack to automate container image builds natively on Kubernetes with seamless CI/CD pipeline integration.
- [Modern PostgreSQL Deployment: 3 Cloud Native Approaches You Should Know](https://www.sylvainkalache.com/content/modern-postgresql-deployment-3-cloud-native-approaches-you-should-know.md) (2025-01-11; The New Stack): Comparing three cloud native approaches to deploying and managing PostgreSQL on Kubernetes — operators, managed services, and hybrid models.
- [Backstage Multicluster UI for Cloud Foundry and Kubernetes](https://www.sylvainkalache.com/content/backstage-multicluster-ui-for-cloud-foundry-and-kubernetes.md) (2024-11-16; The New Stack): Building a unified developer portal with Backstage that spans both Cloud Foundry and Kubernetes clusters.
- [Scaling on Kubernetes With Open Source Korifi](https://www.sylvainkalache.com/content/scaling-on-kubernetes-with-open-source-korifi.md) (2023-10-26; CloudNativeNow): How Korifi brings Cloud Foundry's developer experience to Kubernetes, enabling simple app scaling without deep K8s knowledge.
- [Deploy Multilanguage Apps to Kubernetes with Open Source Korifi](https://www.sylvainkalache.com/content/deploy-multilanguage-apps-to-kubernetes-with-open-source-korifi.md) (2023-09-15; The New Stack): Using Korifi to deploy polyglot applications to Kubernetes with the simplicity of Cloud Foundry's cf push experience.
- [The Future of Data on Kubernetes with Adobe and CNCF](https://www.sylvainkalache.com/content/the-future-of-data-on-kubernetes-with-adobe-and-cncf.md) (2023-06-01; Data on Kubernetes Community): Panel with Joseph Sandoval and Xing Yang on the future of data on Kubernetes — storage, stateful workloads, and the evolving CNCF landscape.
- [3 Ways to Offset Kubernetes Complexity](https://www.sylvainkalache.com/content/3-ways-to-offset-kubernetes-complexity.md) (2023-05-18; CloudNativeNow): Practical strategies to reduce Kubernetes operational complexity — from platform abstractions to developer self-service portals.
- [Overcoming Kubernetes Namespace Limitations](https://www.sylvainkalache.com/content/overcoming-kubernetes-namespace-limitations.md) (2023-05-02; CloudNativeNow): Kubernetes namespaces have limits. How to work around them for multi-tenant clusters, resource isolation, and organizational scaling.
- [Why Are Operators Paramount to Running Stateful Workloads on Kubernetes?](https://www.sylvainkalache.com/content/why-are-operators-paramount-to-running-stateful-workloads-on-kubernetes.md) (2023-03-01; Data on Kubernetes Community): DoKC panel on why Kubernetes operators are essential for managing stateful workloads — database operations, storage patterns, and automation.
- [Postgres on Kubernetes Applied at Scale](https://www.sylvainkalache.com/content/postgres-on-kubernetes-applied-at-scale.md) (2023-01-01; Data on Kubernetes Community): Panel with Alvaro Hernandez and Bart Farrell on running Postgres at scale on Kubernetes — operational patterns, challenges, and lessons learned.
- [How to run data on Kubernetes: 6 starting principles](https://www.sylvainkalache.com/content/how-to-run-data-on-kubernetes-6-starting-principles.md) (2022-11-25; TechCrunch): 94% of orgs deploy on Kubernetes, but stateful workloads remain hard. Six principles covering operators, storage classes, StatefulSets, and Day 2 operations.
- [Shift-Left Testing Applied to Kubernetes](https://www.sylvainkalache.com/content/shift-left-testing-applied-to-kubernetes.md) (2022-07-12; The New Stack): Moving Kubernetes configuration validation and testing earlier in the development cycle to catch issues before they reach production.
- [Stateful Workloads on Kubernetes Are a Thing, but There Is a Twist](https://www.sylvainkalache.com/content/stateful-workloads-on-kubernetes-are-a-thing-but-there-is-a-twist.md) (2022-06-27; The New Stack): Running databases and stateful services on Kubernetes is possible — but requires understanding operators, persistent volumes, and Day 2 operations.

[All work](https://www.sylvainkalache.com/index.md)