Kube Builders
@kube.builders
News and links on building infrastructure and Kubernetes clusters curated by the @Learnk8s.io team
More K8s news, events, jobs → https://kube.today
More K8s news, events, jobs → https://kube.today
This tutorial explains how to expose Kubernetes services without relying on cloud LoadBalancer support, using MetalLB + NGINX Ingress to provide stable IPs and path-based routing on bare-metal/air-gapped clusters
➤ https://ku.bz/CDWB9HJg7
➤ https://ku.bz/CDWB9HJg7
November 17, 2025 at 2:41 PM
This tutorial explains how to expose Kubernetes services without relying on cloud LoadBalancer support, using MetalLB + NGINX Ingress to provide stable IPs and path-based routing on bare-metal/air-gapped clusters
➤ https://ku.bz/CDWB9HJg7
➤ https://ku.bz/CDWB9HJg7
Cluster Template is an opinionated and extensible template for deploying a Talos Kubernetes cluster, including Flux for GitOps
➜ https://ku.bz/8VP9H3B5B
➜ https://ku.bz/8VP9H3B5B
November 17, 2025 at 2:36 PM
Cluster Template is an opinionated and extensible template for deploying a Talos Kubernetes cluster, including Flux for GitOps
➜ https://ku.bz/8VP9H3B5B
➜ https://ku.bz/8VP9H3B5B
Reposted by Kube Builders
1,317 Kubernetes practitioners shared how they manage resources:
→ 56% still do it manually despite wanting automation
→ 45% regularly hit CPU throttling/OOM kills
→ 57% estimate 20%+ waste in compute costs
Report: https://kube.today/kubernetes-resource-management-2025
→ 56% still do it manually despite wanting automation
→ 45% regularly hit CPU throttling/OOM kills
→ 57% estimate 20%+ waste in compute costs
Report: https://kube.today/kubernetes-resource-management-2025
November 17, 2025 at 12:56 PM
1,317 Kubernetes practitioners shared how they manage resources:
→ 56% still do it manually despite wanting automation
→ 45% regularly hit CPU throttling/OOM kills
→ 57% estimate 20%+ waste in compute costs
Report: https://kube.today/kubernetes-resource-management-2025
→ 56% still do it manually despite wanting automation
→ 45% regularly hit CPU throttling/OOM kills
→ 57% estimate 20%+ waste in compute costs
Report: https://kube.today/kubernetes-resource-management-2025
This project allows you to deploy and manage Kubernetes clusters directly on Proxmox VE to create a private Kubernetes cloud platform
➤ https://ku.bz/3DC5Dtmzj
➤ https://ku.bz/3DC5Dtmzj
November 16, 2025 at 2:36 PM
This project allows you to deploy and manage Kubernetes clusters directly on Proxmox VE to create a private Kubernetes cloud platform
➤ https://ku.bz/3DC5Dtmzj
➤ https://ku.bz/3DC5Dtmzj
This case study shows how to implement a multi-cluster reconciler to manage Kubernetes resources across sharded clusters for fault tolerance
It covers sharding stateless workloads across 3 clusters to limit the impact of infrastructure failures
➤ https://ku.bz/1HTWb0GLC
It covers sharding stateless workloads across 3 clusters to limit the impact of infrastructure failures
➤ https://ku.bz/1HTWb0GLC
November 15, 2025 at 2:31 PM
This case study shows how to implement a multi-cluster reconciler to manage Kubernetes resources across sharded clusters for fault tolerance
It covers sharding stateless workloads across 3 clusters to limit the impact of infrastructure failures
➤ https://ku.bz/1HTWb0GLC
It covers sharding stateless workloads across 3 clusters to limit the impact of infrastructure failures
➤ https://ku.bz/1HTWb0GLC
Reposted by Kube Builders
Cloud Native Buildpacks transform your application source code into container images running on any cloud
Features:
➀ Advanced caching
➁ Auto-detection
➂ Bill-of-Materials
➃ Modular/Pluggable
➄ Multi-language
➅ Minimal app image
➜ https://ku.bz/X-rr91ZWP
Features:
➀ Advanced caching
➁ Auto-detection
➂ Bill-of-Materials
➃ Modular/Pluggable
➄ Multi-language
➅ Minimal app image
➜ https://ku.bz/X-rr91ZWP
November 14, 2025 at 5:06 PM
Cloud Native Buildpacks transform your application source code into container images running on any cloud
Features:
➀ Advanced caching
➁ Auto-detection
➂ Bill-of-Materials
➃ Modular/Pluggable
➄ Multi-language
➅ Minimal app image
➜ https://ku.bz/X-rr91ZWP
Features:
➀ Advanced caching
➁ Auto-detection
➂ Bill-of-Materials
➃ Modular/Pluggable
➄ Multi-language
➅ Minimal app image
➜ https://ku.bz/X-rr91ZWP
Project Quay runs as a service inside or outside Kubernetes, storing images in S3 or local storage
It scans images for vulnerabilities with Clair, supports image signing, and enforces repository access and security policies via webhooks and RBAC
➤ https://ku.bz/mXXL2JPl4
It scans images for vulnerabilities with Clair, supports image signing, and enforces repository access and security policies via webhooks and RBAC
➤ https://ku.bz/mXXL2JPl4
November 14, 2025 at 2:41 PM
Project Quay runs as a service inside or outside Kubernetes, storing images in S3 or local storage
It scans images for vulnerabilities with Clair, supports image signing, and enforces repository access and security policies via webhooks and RBAC
➤ https://ku.bz/mXXL2JPl4
It scans images for vulnerabilities with Clair, supports image signing, and enforces repository access and security policies via webhooks and RBAC
➤ https://ku.bz/mXXL2JPl4
This article takes you through advanced strategies and configuration options to safely enable and tune Linux swap for Kubernetes workloads, optimizing performance and resource utilization for memory-intensive apps
➜ https://ku.bz/W19Dx-bGM
➜ https://ku.bz/W19Dx-bGM
November 14, 2025 at 2:36 PM
This article takes you through advanced strategies and configuration options to safely enable and tune Linux swap for Kubernetes workloads, optimizing performance and resource utilization for memory-intensive apps
➜ https://ku.bz/W19Dx-bGM
➜ https://ku.bz/W19Dx-bGM
This article explains how to deploy and use Kube-State-Metrics to monitor Kubernetes object states via Prometheus for cluster observability
➤ https://ku.bz/3nNd4bDkK
➤ https://ku.bz/3nNd4bDkK
November 13, 2025 at 2:41 PM
This article explains how to deploy and use Kube-State-Metrics to monitor Kubernetes object states via Prometheus for cluster observability
➤ https://ku.bz/3nNd4bDkK
➤ https://ku.bz/3nNd4bDkK
Numaflow is a Kubernetes-native tool for running massively parallel stream processing
A Numaflow Pipeline is implemented as a Kubernetes custom resource and consists of one or more source, data processing, and sink vertices
➜ https://ku.bz/JNLMwJpSx
A Numaflow Pipeline is implemented as a Kubernetes custom resource and consists of one or more source, data processing, and sink vertices
➜ https://ku.bz/JNLMwJpSx
November 13, 2025 at 2:36 PM
Numaflow is a Kubernetes-native tool for running massively parallel stream processing
A Numaflow Pipeline is implemented as a Kubernetes custom resource and consists of one or more source, data processing, and sink vertices
➜ https://ku.bz/JNLMwJpSx
A Numaflow Pipeline is implemented as a Kubernetes custom resource and consists of one or more source, data processing, and sink vertices
➜ https://ku.bz/JNLMwJpSx
This article shows how to configure alerting rules for Loki using the `PrometheusRule` CRD so you can fire alerts based on log queries and metrics
➜ https://ku.bz/YhNF5X3hw
➜ https://ku.bz/YhNF5X3hw
November 12, 2025 at 2:36 PM
This article shows how to configure alerting rules for Loki using the `PrometheusRule` CRD so you can fire alerts based on log queries and metrics
➜ https://ku.bz/YhNF5X3hw
➜ https://ku.bz/YhNF5X3hw
Reposted by Kube Builders
This week on the Learn Kubernetes Weekly:
⚙️ gRPC with ALB and Traefik
🧭 Prevent Failures with Topology Spread
📜 Demystifying Kubernetes YAML
🔗 Shared Socket with eBPF
🌐 Kubernetes Networking Guide
⭐️ Testkube
Read it now: https://kube.today/issues/157
⚙️ gRPC with ALB and Traefik
🧭 Prevent Failures with Topology Spread
📜 Demystifying Kubernetes YAML
🔗 Shared Socket with eBPF
🌐 Kubernetes Networking Guide
⭐️ Testkube
Read it now: https://kube.today/issues/157
November 12, 2025 at 11:31 AM
This week on the Learn Kubernetes Weekly:
⚙️ gRPC with ALB and Traefik
🧭 Prevent Failures with Topology Spread
📜 Demystifying Kubernetes YAML
🔗 Shared Socket with eBPF
🌐 Kubernetes Networking Guide
⭐️ Testkube
Read it now: https://kube.today/issues/157
⚙️ gRPC with ALB and Traefik
🧭 Prevent Failures with Topology Spread
📜 Demystifying Kubernetes YAML
🔗 Shared Socket with eBPF
🌐 Kubernetes Networking Guide
⭐️ Testkube
Read it now: https://kube.today/issues/157
Reposted by Kube Builders
Forecastle is a control panel which dynamically discovers and provides a launchpad to access applications deployed on Kubernetes
➜ https://ku.bz/jwmVlQPD1
➜ https://ku.bz/jwmVlQPD1
November 11, 2025 at 7:06 PM
Forecastle is a control panel which dynamically discovers and provides a launchpad to access applications deployed on Kubernetes
➜ https://ku.bz/jwmVlQPD1
➜ https://ku.bz/jwmVlQPD1
This project discovers and advertises SR-IOV virtual functions (VFs), physical functions (PFs), and auxiliary network devices as resources on Kubernetes nodes
➜ https://ku.bz/jVg_1VS-k
➜ https://ku.bz/jVg_1VS-k
November 11, 2025 at 2:36 PM
This project discovers and advertises SR-IOV virtual functions (VFs), physical functions (PFs), and auxiliary network devices as resources on Kubernetes nodes
➜ https://ku.bz/jVg_1VS-k
➜ https://ku.bz/jVg_1VS-k
Reposted by Kube Builders
🗣️ Festus walks through his project of building a lightweight version of Kubernetes from scratch in Go
https://ku.bz/pf5kK9lQF
🌟 StormForge
🎙 🎙Bart
https://ku.bz/pf5kK9lQF
🌟 StormForge
🎙 🎙Bart
November 11, 2025 at 11:37 AM
🗣️ Festus walks through his project of building a lightweight version of Kubernetes from scratch in Go
https://ku.bz/pf5kK9lQF
🌟 StormForge
🎙 🎙Bart
https://ku.bz/pf5kK9lQF
🌟 StormForge
🎙 🎙Bart
This article walks through enabling Cilium VTEP (VXLAN tunnel) to connect external VMs to Kubernetes pods, and using eBPF/XDP + Inspektor Gadget to trace packet headers across that tunnel
➜ https://ku.bz/YdLydWcmF
➜ https://ku.bz/YdLydWcmF
November 10, 2025 at 2:41 PM
This article walks through enabling Cilium VTEP (VXLAN tunnel) to connect external VMs to Kubernetes pods, and using eBPF/XDP + Inspektor Gadget to trace packet headers across that tunnel
➜ https://ku.bz/YdLydWcmF
➜ https://ku.bz/YdLydWcmF
HwameiStor is a cloud-native local storage system designed for stateful workloads, offering features like auto expansion, backup & restore, high availability, disk health management, and control/data plane separation
➤ https://ku.bz/ppcB_9NLk
➤ https://ku.bz/ppcB_9NLk
November 10, 2025 at 2:36 PM
HwameiStor is a cloud-native local storage system designed for stateful workloads, offering features like auto expansion, backup & restore, high availability, disk health management, and control/data plane separation
➤ https://ku.bz/ppcB_9NLk
➤ https://ku.bz/ppcB_9NLk
This tutorial shows how to implement Crossplane on AWS EKS for infrastructure as code, covering setup, custom API design, and governance strategies
➤ https://ku.bz/6SCqq3slb
➤ https://ku.bz/6SCqq3slb
November 9, 2025 at 2:36 PM
This tutorial shows how to implement Crossplane on AWS EKS for infrastructure as code, covering setup, custom API design, and governance strategies
➤ https://ku.bz/6SCqq3slb
➤ https://ku.bz/6SCqq3slb
Cluster Template is an opinionated and extensible template for deploying a Talos Kubernetes cluster, including Flux for GitOps
➤ https://ku.bz/29N8gDrqP
➤ https://ku.bz/29N8gDrqP
November 8, 2025 at 2:36 PM
Cluster Template is an opinionated and extensible template for deploying a Talos Kubernetes cluster, including Flux for GitOps
➤ https://ku.bz/29N8gDrqP
➤ https://ku.bz/29N8gDrqP
This project implements a bare-metal autoscaler that scales by doing `kubectl drain` + `poweroff` on underutilized nodes and using Wake-on-LAN / IPMI to power nodes up
It treats node types by labels instead of predefined “node groups.”
➤ https://ku.bz/jXnFwTRbR
It treats node types by labels instead of predefined “node groups.”
➤ https://ku.bz/jXnFwTRbR
November 7, 2025 at 2:41 PM
This project implements a bare-metal autoscaler that scales by doing `kubectl drain` + `poweroff` on underutilized nodes and using Wake-on-LAN / IPMI to power nodes up
It treats node types by labels instead of predefined “node groups.”
➤ https://ku.bz/jXnFwTRbR
It treats node types by labels instead of predefined “node groups.”
➤ https://ku.bz/jXnFwTRbR
Zarf is a tool that simplifies software deployment to Kubernetes clusters in airgapped or disconnected environments
It packages applications and their dependencies into single compressed files that can be deployed without internet connectivity
➜ https://ku.bz/_l2G_NDbG
It packages applications and their dependencies into single compressed files that can be deployed without internet connectivity
➜ https://ku.bz/_l2G_NDbG
November 7, 2025 at 2:36 PM
Zarf is a tool that simplifies software deployment to Kubernetes clusters in airgapped or disconnected environments
It packages applications and their dependencies into single compressed files that can be deployed without internet connectivity
➜ https://ku.bz/_l2G_NDbG
It packages applications and their dependencies into single compressed files that can be deployed without internet connectivity
➜ https://ku.bz/_l2G_NDbG
This article explains how to avoid downtime and autoscaling failures in non-HA Kubernetes by managing PodDisruptionBudgets and pod eviction settings for single-replica workloads
➤ https://ku.bz/176KZZDxw
➤ https://ku.bz/176KZZDxw
November 6, 2025 at 2:46 PM
This article explains how to avoid downtime and autoscaling failures in non-HA Kubernetes by managing PodDisruptionBudgets and pod eviction settings for single-replica workloads
➤ https://ku.bz/176KZZDxw
➤ https://ku.bz/176KZZDxw
This Helm chart bootstraps a Home Assistant instance on Kubernetes, supports configurable persistence, controller types, add-ons (e.g. code-server), and is auto-updated with new Home Assistant releases
➜ https://ku.bz/f1gxbDrw_
➜ https://ku.bz/f1gxbDrw_
November 6, 2025 at 2:41 PM
This Helm chart bootstraps a Home Assistant instance on Kubernetes, supports configurable persistence, controller types, add-ons (e.g. code-server), and is auto-updated with new Home Assistant releases
➜ https://ku.bz/f1gxbDrw_
➜ https://ku.bz/f1gxbDrw_
This article presents Shared Socket, an eBPF-based method that bypasses much of the networking stack to enable fast TCP messaging between pods on the same node using sockmaps and kernel-level redirects
➜ https://ku.bz/xyvZYYGzf
➜ https://ku.bz/xyvZYYGzf
November 5, 2025 at 2:41 PM
This article presents Shared Socket, an eBPF-based method that bypasses much of the networking stack to enable fast TCP messaging between pods on the same node using sockmaps and kernel-level redirects
➜ https://ku.bz/xyvZYYGzf
➜ https://ku.bz/xyvZYYGzf
Reposted by Kube Builders
This week on the Learn Kubernetes Weekly:
🔥 AI Infrastructure on K8s
🏠 HA Databases on K8s at Airbnb
⚡ Faster Node & Pod Startup
🎯 Pod Priority and Preemption
⚖️ Cost vs Resilience in Scheduling
⭐️ Testkube
Read it now: https://kube.today/issues/156
🔥 AI Infrastructure on K8s
🏠 HA Databases on K8s at Airbnb
⚡ Faster Node & Pod Startup
🎯 Pod Priority and Preemption
⚖️ Cost vs Resilience in Scheduling
⭐️ Testkube
Read it now: https://kube.today/issues/156
November 5, 2025 at 11:31 AM
This week on the Learn Kubernetes Weekly:
🔥 AI Infrastructure on K8s
🏠 HA Databases on K8s at Airbnb
⚡ Faster Node & Pod Startup
🎯 Pod Priority and Preemption
⚖️ Cost vs Resilience in Scheduling
⭐️ Testkube
Read it now: https://kube.today/issues/156
🔥 AI Infrastructure on K8s
🏠 HA Databases on K8s at Airbnb
⚡ Faster Node & Pod Startup
🎯 Pod Priority and Preemption
⚖️ Cost vs Resilience in Scheduling
⭐️ Testkube
Read it now: https://kube.today/issues/156