Learn Kubernetes Weekly issue 169 · 4 Feb 2026
When High Availability Brings Downtime, AWS CSI Upgrades, Serving AI Models at Scale, Spring Boot Readiness Checks, CoreDNS in OpenShift
This newsletter is brought to you by LearnKube — master Kubernetes with hands-on training designed for engineers who want to learn the smart way.
Two conferences. 20 free tickets. One email.
We've got free passes to two developer events happening this month:
ContainerDays London (11-12 Feb) — Europe's leading cloud native conference lands in the UK for the first time, co-located with MCPconference (the AI tooling event). 1,000+ attendees, 120+ sessions on Kubernetes, platform engineering, and observability.
DeveloperWeek (18-20 Feb) — The world's largest independent dev conference. 8 events in one: AI, Cloud Native, DevOps, Frontend, Security. 250+ speakers, workshops, and a hackathon.
We have 10 free tickets for each event. Reply to this email to claim yours — first come, first served.
Articles
When high availability brings downtime
medium.com
This case study shows how implementing multi-cluster high availability for a Kubernetes PaaS platform unexpectedly caused more downtime than it prevented during maintenance operations.
Kubernetes Resource Management ebook for Platform Owners
kubex.ai
Platform teams face a resource paradox: clusters full of unused capacity while developers demand more.
This guide shows how to manage Kubernetes resources at scale without slowing teams down or wasting budget.
sponsored
Upgrade AWS CSI Drivers in your Multi-Tenant Kubernetes Cluster
soc-inspiration.medium.com
This article explains a critical security issue where AWS CSI drivers gave DaemonSet service accounts the ability to patch nodes, completely breaking node isolation in multi-tenant clusters.
How We Serve AI/ML Models at Scale in SAP AI Core
medium.com
This article shows how SAP AI Core deploys production ML and generative AI models at scale using KServe on Kubernetes.
Container Readiness Checks for Spring Boot Deployments
medium.com
This article explains how to configure readiness and liveness probes for Spring Boot applications in Kubernetes using Actuator endpoints to control traffic flow during deployment.
medium.com
This article explains how CoreDNS works in OpenShift clusters, covering DNS resolution architecture where the 10th IP from service network is reserved for CoreDNS service.
Right-Sizing GPUs in Kubernetes: A Platform Engineer’s Guide to AI Infrastructure Efficiency
GPU spending outpaces the tools built to control it.
Most teams report solid utilization, yet requests exceed actual usage by three times. This ebook reveals how to eliminate GPU waste before expenses escalate.
Tutorials
A 'small' vanilla Kubernetes install on NixOS
stephank.nl
This tutorial teaches how to build a minimal multi-node Kubernetes cluster on NixOS without K3s, K0s, or NixOS Kubernetes modules, using vanilla Kubernetes components managed by systemd.
From signals to reliability: slos, runbooks and post-mortems
fatihkoc.net
This tutorial teaches how to transform observability data into reliability improvements through:
- Service Level Objectives,
- error budgets,
- runbooks
- and blameless post-mortems for Kubernetes environments.
Introducing MCP-Gateway in Kagenti: A Unified Front Door for Your MCP Servers
medium.com
This tutorial teaches how to aggregate multiple MCP servers behind a single Envoy-based gateway endpoint using Kubernetes custom resources and the Gateway API.
KubeArmor on Huawei Cloud CCE: Runtime Security for Kubernetes Workloads
medium.com
This tutorial teaches how to deploy KubeArmor runtime security on Huawei Cloud Container Engine (CCE) using BPF-LSM for dynamic kernel-level policy enforcement without static profiles or reboots.
Kubernetes jobs
Platform Engineer with ClickHouse
Salary: $133.45K to $232K a year
Location: remote from
Tech stack: Kubernetes, Kubernetes, AWS EC2, ClickHouse, Kafka, AWS S3, NumPy, pandas, Go, C++
Site Reliability Engineer with Xometry
Salary: $95K to $125K a year
Location: remote from
Tech stack: Kubernetes, AWS, Docker, Kubernetes, Sentry, GitHub Actions, ArgoCD, GitHub, Terraform, Python
Site Reliability Engineer with Xometry
Salary: $95K to $125K a year
Location: remote from
Tech stack: Kubernetes, AWS, Docker, Kubernetes, Sentry, GitHub Actions, ArgoCD, GitHub, Terraform, Python
Software Engineer with Tenable, Inc.
Salary: $38.34K to $25.3M a year
Location: fully remote
Tech stack: Kubernetes, AWS, Azure, GCP, Kubernetes, GDPR, CCPA, Python, Kotlin, Java
Software Engineer with Temporal Technologies
Salary: $225K to $275K a year
Location: remote from
Tech stack: Kubernetes, Kubernetes, Go
Discover more Kubernetes jobs on Kube Careers →
Code & tools
kinc: Single-Container Kubernetes
github.com/T0MASD
kinc is an open-source tool that lets you create a single-node, rootless Kubernetes cluster inside a container (using Podman + CRI-O + kubeadm).
github.com/yokecd
Yoke is an IaC tool inspired by Helm that leverages WebAssembly and Go to dynamically deploy Kubernetes packages with executable runtime capabilities.
It supports revision tracking, rollback, and inspection.
github.com/Skarlso
CRD bootstrapper can install CRDs from GitHub release pages or ConfigMaps.
It can also validate via templates before applying a CRD, and it will install newer versions automatically if the validation passes and the version constraint allows it.
Uncloud: Lightweight Container Orchestration Between Docker and Kubernetes
github.com/psviderski
Uncloud is a lightweight clustering tool that deploys and manages containerized applications across Docker hosts using Docker Compose syntax.
github.com/GoogleCloudPlatform
kubectl-ai acts as an intelligent interface, translating user intent into precise Kubernetes operations.
Other interesting projects:
Upcoming Kubernetes events
Feb
4
Why is Docker Swarm so underrated?
In-person meetup organized by The Age of DevOps - Berlin.
Location: Leipzig, DE
This is a free event.
Feb
5
Cloud-Native Platform Engineering on SUSE Harvester
In-person meetup organized by The Age of DevOps - Südwest.
Location: Leinfelden-Echterdingen, DE
This is a free event.
Feb
6
In-person conference organized by Web Days.
Location: Aix-en-Provence, FR
This event requires an entrance fee
Feb
8
Online meetup organized by Cloud Native Cali.
This is a virtual event
This is a free event.
Feb
11
2025 AWS re:Invent re:Cap from a Container Services Perspective
In-person meetup organized by AWSKRUG - AWS한국사용자모임.
Location: Gangnam-gu, KR
This event requires an entrance fee
Mar
16
Advanced Kubernetes course (Munich)
In-person workshop organized by LearnKube.
Location: Munich, DE
This event requires an entrance fee
Kubernetes call for papers
11
days
The Call For Paper is open until 15 February 2026 at UTC. More info →
Location: Ghent, BE
In-person conference organized by CfgMgmtCamp.
The conference starts on the 4 February 2026.
- Apply here
24
days
The Call For Paper is open until 28 February 2026 at UTC. More info →
Location: Hamburg, DE
In-person conference organized by Container Days.
The conference starts on the 4 September 2026.
- Apply here
30
days
The Call For Paper is open until 6 March 2026 at UTC. More info →
Location: Bologna, IT
In-person conference organized by CND Italy.
The conference starts on the 18 May 2026.
- Apply here
20
days
Kubernetes Community Days Beijing 2026
The Call For Paper is open until 24 February 2026 at UTC. More info →
Location: Beijing, CN
In-person conference organized by KCD Beijing.
The conference starts on the 30 December 2025.
- Apply here
13
days
Kubernetes Community Days Toronto Canada 2026
The Call For Paper is open until 17 February 2026 at UTC. More info →
Location: Toronto, CA
In-person conference organized by KCD Toronto.
The conference starts on the 13 May 2026.
- Apply here
2
days
Kubernetes Community Days Texas 2026
The Call For Paper is open until 6 February 2026 at UTC. More info →
Location: Austin, TX, USA
In-person conference organized by KCD Texas.
The conference starts on the 15 May 2026.
- Apply here
44
days
The Call For Paper is open until 20 March 2026 at UTC. More info →
Location: Amsterdam, NL
In-person conference organized by Cloud Native Amsterdam.
The conference starts on the 22 May 2026.
- Apply here
27
days
Kubernetes Community Days Panama 2026
The Call For Paper is open until 3 March 2026 at UTC. More info →
Location: Panama City, PA
In-person conference organized by KCD Panama.
The conference starts on the 20 April 2026.
- Apply here
24
days
Kubernetes Community Days Kochi 2026
The Call For Paper is open until 1 March 2026 at UTC. More info →
Location: Kochi, IN
In-person conference organized by KCD Kochi.
The conference starts on the 11 April 2026.
- Apply here
Until next time!
— Gulcan