⎈ Journey through unexpected heap issues, optimize for large Docker images, autoscaling using metrics based on app workflows, seccomp

This newsletter is brought to you by StormForge — the only JVM workload rightsizing solution. Sign up for the beta.

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📚 Articles

1. Node.js 20 upgrade: a journey through unexpected heap issues with Kubernetes

2. Why flexibility matters when setting Kubernetes resource limits

3. How to optimize Kubernetes for large Docker images

4. How to optimize autoscaling in Kubernetes using metrics based on application workflows

5. Container internals series: seccomp

6. Preemptible pods

7. Implementing topology aware routing in Kubernetes

8. Enhancing Kubernetes resource management with SharedInformers

9. Understanding kubernetes deployments: zero-downtime upgrades explained

10. Do not use unpackaged Helm charts! - DevOps

11. Efficiently handling PostgreSQL schema migrations in Kubernetes

12. Designing effective Kubernetes network policies: key considerations

13. From Pi to sky: how my kubernetes cluster evolved beyond Raspberry

14. Incident caused by inappropriate CPU request and limit configurations on GKE

15. Enhancing Kubernetes for advanced telecom use cases with Multus CNI

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🌟 Tired of your JVM being a memory hog?

Optimize heap size, reduce OOMs, and increase Kubernetes cluster utilization with StormForge's Java Workload Optimization.

Now in limited availability

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📖 Tutorials

1. Advanced autoscaling in Kubernetes with KEDA

2. Exploring the gateway API with Istio ASM extension on AKS

3. Migrating CI/CD from Jenkins to Argo

4. Karmada: deep dive into managing multiple AKS clusters

5. Planning a k3s multi-cluster network with L2 and BGP on Unifi UDM

6. Argo rollouts: blue-green deployment

7. Automating secure secrets management in AKS with Terraform and Azure Key Vault

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📺 This week on the KubeFM podcast

Black box vs white box observability in Kubernetes

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💼 Kubernetes jobs

Site Reliability Engineer 💰 $190K to $210K a year · 🌎 remote from the United States of America

DevOps Engineer 💰 CA$123.6K to CA$187.9K a year · 🌎 remote from Canada

Engineering Manager 💰 $167.2K to $246K a year · 🏢 based in the office (and remote from home) in San Francisco, CA, USA

Technical writer 💰 $166K to $177K a year · 🌎 remote from the United States of America

Software Engineer 💰 $139.5K to $150K a year · 🏢 based in the office (and remote from home) in Mississauga, ON, CA

👉 Discover more opportunities on Kube Careers.

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🛠 Tools and libraries

1. Katalyst

2. Trivy-operator: Kubernetes-native security toolkit

3. AWRBACS: RBAC auditor

4. Virtual Kubelet

5. kubecsv

6. Flux Operator: simplified Flux

7. OpenCost

8. KubeVirt

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📅 Upcoming Kubernetes events

🔥 Cloud Technology Townhall Tallinn 2025 📅 Jan 31

CfgMgmtCamp 2025 📅 Feb 5

FOSDEM 📅 Feb 2

Enforcing workload isolation in multi-tenant EKS cluster 📅 Jan 30

Defeat complexity with use-case-optimized Kubernetes platforms 📅 Jan 29

👉 You can find more events on Kube Events.

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📢 Call for papers closing soon

🔥 Cloud Native Days Romania ⏳ closes Jan 31

KubeCon + CloudNativeCon Japan 2025 ⏳ closes Feb 2

KubeCon + CloudNativeCon China 2025 ⏳ closes Feb 2

🔥 Kubernetes Community Days Costa Rica 2025 ⏳ closes Feb 10

🔥 Kubernetes Community Days Texas Austin 2025 ⏳ closes Feb 13

🔥 ContainerDays ⏳ closes Mar 31

🔥 Kubernetes Community Days Helsinki 2025 ⏳ closes Feb 8

🔥 Kubernetes Community Days Beijing 2025 ⏳ closes Feb 5

Kubernetes Community Days Czech & Slovak 2025 ⏳ closes Mar 15

👉 You can find more Call for Papers on Kube Events.

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Until next time!

— Dan