Kube Architect

News and links on architecting and developing apps on Kubernetes curated by the @Learnk8s team
Mastodon: @[email protected]

[Kubesploit @kubesploit]

This tutorial shows how to build a hub-style multi-cluster cert-manager control plane where a central hub cluster manages certificate issuance and distribution across multiple spoke clusters using cert-manager and trust-manager

➜ https://t.co/kmZg5qxFUm

[LearnKube @learnk8s]

This week on the Learn Kubernetes Weekly:

🔥 Qwen 3.5 27B on GKE with B200 GPUs
🤖 AI-Powered IT Helpdesk
⚙️ Ansible AWX on Kubernetes
🛡️ Kubermatic SecureGuard
🔐 Secrets Management

⭐️ StormForge

Read it now: https://t.co/DY5DsXjkns

[KubeFM @K8sFM]

YAML is not the issue. Review culture is

Viktor Farcic on why config changes escape scrutiny

📺: https://t.co/8tV74iRiWk

[KubeFM @K8sFM]

"Manual optimization breaks before you get to 250 changes a day."

Yasmin Rajabi on why human review does not scale

📺: https://t.co/d8LHYT62u2

Read The Kubernetes Automation Trust Gap study: https://t.co/DAaF626uZ5

[Kube Architect @K8sArchitect]

Radar provides Kubernetes cluster visibility through:

- topology graphs,
- event timelines,
- and service traffic visualization running as a single binary that connects directly to the Kubernetes API

➤ https://t.co/254BRYDFCc

[KubeFM @K8sFM]

🗣️ Mike Stefaniak tackles how much Kubernetes knowledge developers should have. He advocates for a "middle ground" approach where platform teams build abstractions without completely hiding that applications run on Kubernetes

Watch: https://t.co/6qqzPcyfBf

[Kube Architect @K8sArchitect]

GoKubeDownscaler is a horizontal autoscaler for Kubernetes workloads written in Go that automatically scales down deployments, statefulsets, and other resources based on time schedules to save costs

➤ https://t.co/Ozo4z3wpMA

[LearnKube @learnk8s]

📣 New on LearnKube: "The mechanics of Kubernetes RBAC and how it connects users to permissions."

Read the full guide:
https://t.co/uJgqRwUa4c

[Kube Architect @K8sArchitect]

This article explains how to run Temporal on Kubernetes in production, covering GKE deployment, Cassandra repair and backups, Istio mTLS, resource sizing, PodDisruptionBudgets, and Prometheus-based monitoring

➤ https://t.co/eWAywOmTAl

[Kube Architect @K8sArchitect]

Chartpack is an opinionated Helm chart that lets you deploy many Kubernetes workload types from one values file, with built-in networking, autoscaling, observability, secrets, and GitOps support

➤ https://t.co/5Xs1N9NSYq

[Kube Architect @K8sArchitect]

This is a war story about a 3-person startup that replaced a $14,850/month over-engineered Kubernetes setup on AWS with https://t.co/UzrM02pLFp for $680, cutting P99 latency from 320ms to 180ms and deploy time from 8 minutes to 45 seconds

➤ https://t.co/yF81QgskQt

[Kube Architect @K8sArchitect]

Kubetest4j is a Java library for testing Kubernetes deployments and operators with Fabric8, JUnit support, resource cleanup, multi-cluster testing, and built-in log and metrics collection

➤ https://t.co/yqlJFCdVZh

[KubeFM @K8sFM]

🗣️ Ryan Brainard explains how GitOps serves as a crucial source of truth and addresses configuration drift problems. He describes treating clusters as cattle, not pets - making them disposable and enabling seamless upgrades

Watch the full interview: https://t.co/qILt6uxYWB

[Kube Architect @K8sArchitect]

This case study explains why Nginx Ingress Controller causes TCP connection timeouts on GKE during pod termination

It traces:

- kube-proxy health check delays (~5s),
- GCP LB probe intervals (24s),
- and KEP-1669 terminating endpoint behavior

➤ https://t.co/mvBdFQUn20

[LearnKube @learnk8s]

Swimmer is a native desktop Kubernetes GUI built for multi-cluster workflows, letting you browse 27+ resource types, compare clusters in split panels, and run terminal sessions per cluster, built with Tauri and Rust

➜ https://t.co/j52Fy6zpIH

[Kube Architect @K8sArchitect]

Percona vs MongoDB Community vs KubeDB vs Atlas — which operator should you run for MongoDB on Kubernetes?

Full breakdown + architecture + PITR guide →
https://t.co/1wNpkKd4rY

[Kube Architect @K8sArchitect]

ing-switch scans your cluster, maps 50+ NGINX annotations for compatibility, and generates ready-to-apply manifests for Traefik or Gateway API with a React web UI dashboard for the full scan → analyze → migrate → validate lifecycle

➤ https://t.co/X84DSdEwLC

[KubeFM @K8sFM]

"Node Autoscaler makes it easy to dynamically size your cluster based on utilization, but you also have to make sure your workloads fit inside the resource limits and requests."

Amin Astaneh on Kubernetes cost optimization strategies

📺: https://t.co/jG4ZuZUiEQ

[Kube Architect @K8sArchitect]

This tutorial shows how to automate EKS deployments with Argo CD, Argo CD Image Updater, GitHub, and Amazon ECR so new container images flow to the cluster through GitOps without manual deployment steps

➤ https://t.co/loVAbvE6i4