Daniele Polencic
@danielepolencic.com
Teaching Kubernetes at @Learnk8s.io
In the latest KubeFM episode, Tanat shared how his team at Adevinta replaced EKS Managed Node Groups and Cluster Autoscaler with AWS Karpenter — and transformed their entire Kubernetes operation in the process
https://ku.bz/T6hDSWYhb
https://ku.bz/T6hDSWYhb
November 18, 2025 at 11:44 AM
In the latest KubeFM episode, Tanat shared how his team at Adevinta replaced EKS Managed Node Groups and Cluster Autoscaler with AWS Karpenter — and transformed their entire Kubernetes operation in the process
https://ku.bz/T6hDSWYhb
https://ku.bz/T6hDSWYhb
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
🗣️ Festus rebuilt Kubernetes from scratch in Go
After teaching Kubernetes to thousands of engineers, this validates what I've seen: people don't struggle with complexity; they struggle with abstractions before fundamentals
https://ku.bz/pf5kK9lQF
After teaching Kubernetes to thousands of engineers, this validates what I've seen: people don't struggle with complexity; they struggle with abstractions before fundamentals
https://ku.bz/pf5kK9lQF
November 14, 2025 at 11:31 AM
🗣️ Festus rebuilt Kubernetes from scratch in Go
After teaching Kubernetes to thousands of engineers, this validates what I've seen: people don't struggle with complexity; they struggle with abstractions before fundamentals
https://ku.bz/pf5kK9lQF
After teaching Kubernetes to thousands of engineers, this validates what I've seen: people don't struggle with complexity; they struggle with abstractions before fundamentals
https://ku.bz/pf5kK9lQF
Just landed: Learn Kubernetes weekly 157! My top picks:
☁️ .NET Weather Forecast App on AKS
🧩 eBPF with Cilium VTEP (VXLAN tunnel)
📈 Autoscaling .NET APIs with KEDA
🌙 KubeElasti Scale to Zero
Read it here: https://kube.today/issues/157
☁️ .NET Weather Forecast App on AKS
🧩 eBPF with Cilium VTEP (VXLAN tunnel)
📈 Autoscaling .NET APIs with KEDA
🌙 KubeElasti Scale to Zero
Read it here: https://kube.today/issues/157
November 12, 2025 at 11:36 AM
Just landed: Learn Kubernetes weekly 157! My top picks:
☁️ .NET Weather Forecast App on AKS
🧩 eBPF with Cilium VTEP (VXLAN tunnel)
📈 Autoscaling .NET APIs with KEDA
🌙 KubeElasti Scale to Zero
Read it here: https://kube.today/issues/157
☁️ .NET Weather Forecast App on AKS
🧩 eBPF with Cilium VTEP (VXLAN tunnel)
📈 Autoscaling .NET APIs with KEDA
🌙 KubeElasti Scale to Zero
Read it here: https://kube.today/issues/157
Just landed: Learn Kubernetes weekly 156! My top picks:
🚀 KEDA HPA Tuning
🌐 FQDN Egress Policies
☁️ .NET Weather Forecast App on AKS
🧩 Crust-Gather Cluster Snapshot Plugin
Read it here: https://kube.today/issues/156
🚀 KEDA HPA Tuning
🌐 FQDN Egress Policies
☁️ .NET Weather Forecast App on AKS
🧩 Crust-Gather Cluster Snapshot Plugin
Read it here: https://kube.today/issues/156
November 5, 2025 at 11:36 AM
Just landed: Learn Kubernetes weekly 156! My top picks:
🚀 KEDA HPA Tuning
🌐 FQDN Egress Policies
☁️ .NET Weather Forecast App on AKS
🧩 Crust-Gather Cluster Snapshot Plugin
Read it here: https://kube.today/issues/156
🚀 KEDA HPA Tuning
🌐 FQDN Egress Policies
☁️ .NET Weather Forecast App on AKS
🧩 Crust-Gather Cluster Snapshot Plugin
Read it here: https://kube.today/issues/156
🤔 When you assess a Kubernetes workload, where do you actually start?
Oleksii walks through his complete assessment framework—from initial business discovery using tools like Helm and K9s to creating consumable documentation
https://ku.bz/zDThxGQsP
Oleksii walks through his complete assessment framework—from initial business discovery using tools like Helm and K9s to creating consumable documentation
https://ku.bz/zDThxGQsP
November 4, 2025 at 1:13 PM
🤔 When you assess a Kubernetes workload, where do you actually start?
Oleksii walks through his complete assessment framework—from initial business discovery using tools like Helm and K9s to creating consumable documentation
https://ku.bz/zDThxGQsP
Oleksii walks through his complete assessment framework—from initial business discovery using tools like Helm and K9s to creating consumable documentation
https://ku.bz/zDThxGQsP
12 interviews. One truth: Kubernetes isn't just about containers
Just in time for KubeCon NA, we're releasing something special—a book that explores the human stories behind Kubernetes, not just the technical ones
http://ku.bz/k8s-world
Just in time for KubeCon NA, we're releasing something special—a book that explores the human stories behind Kubernetes, not just the technical ones
http://ku.bz/k8s-world
November 4, 2025 at 1:41 AM
12 interviews. One truth: Kubernetes isn't just about containers
Just in time for KubeCon NA, we're releasing something special—a book that explores the human stories behind Kubernetes, not just the technical ones
http://ku.bz/k8s-world
Just in time for KubeCon NA, we're releasing something special—a book that explores the human stories behind Kubernetes, not just the technical ones
http://ku.bz/k8s-world
Just landed: Learn Kubernetes weekly 155! My top picks:
💼 Senior Roles Dominate Cloud-Native
🔐 Post-Quantum Crypto in Kubernetes
🛡️ Kubernetes Network Security
🤖 KAITO: AI Toolchain Operator
Read it here: https://kube.today/issues/155
💼 Senior Roles Dominate Cloud-Native
🔐 Post-Quantum Crypto in Kubernetes
🛡️ Kubernetes Network Security
🤖 KAITO: AI Toolchain Operator
Read it here: https://kube.today/issues/155
October 29, 2025 at 11:41 AM
Just landed: Learn Kubernetes weekly 155! My top picks:
💼 Senior Roles Dominate Cloud-Native
🔐 Post-Quantum Crypto in Kubernetes
🛡️ Kubernetes Network Security
🤖 KAITO: AI Toolchain Operator
Read it here: https://kube.today/issues/155
💼 Senior Roles Dominate Cloud-Native
🔐 Post-Quantum Crypto in Kubernetes
🛡️ Kubernetes Network Security
🤖 KAITO: AI Toolchain Operator
Read it here: https://kube.today/issues/155
I designed two things for KubeCon Atlanta that I'm proud of:
👾 @yaml.games: 10-min quiz rounds. Same format as our Advanced K8s workshop yaml.games
🔨 Platform Engineering Challenge: Teams of 4 build a platform in 90 mins ku.bz/-Rz3DBccC
👾 @yaml.games: 10-min quiz rounds. Same format as our Advanced K8s workshop yaml.games
🔨 Platform Engineering Challenge: Teams of 4 build a platform in 90 mins ku.bz/-Rz3DBccC
October 27, 2025 at 1:56 PM
I designed two things for KubeCon Atlanta that I'm proud of:
👾 @yaml.games: 10-min quiz rounds. Same format as our Advanced K8s workshop yaml.games
🔨 Platform Engineering Challenge: Teams of 4 build a platform in 90 mins ku.bz/-Rz3DBccC
👾 @yaml.games: 10-min quiz rounds. Same format as our Advanced K8s workshop yaml.games
🔨 Platform Engineering Challenge: Teams of 4 build a platform in 90 mins ku.bz/-Rz3DBccC
Just landed: Learn Kubernetes weekly 154! My top picks:
⚡ Scaling Kubernetes Pain
🔐 MLOps Secret Management
🌍 DC-DR Clusters with Karmada
🧩 Kubernetes-Aware DB Proxy
Read it here: https://kube.today/issues/154
⚡ Scaling Kubernetes Pain
🔐 MLOps Secret Management
🌍 DC-DR Clusters with Karmada
🧩 Kubernetes-Aware DB Proxy
Read it here: https://kube.today/issues/154
October 22, 2025 at 11:36 AM
Just landed: Learn Kubernetes weekly 154! My top picks:
⚡ Scaling Kubernetes Pain
🔐 MLOps Secret Management
🌍 DC-DR Clusters with Karmada
🧩 Kubernetes-Aware DB Proxy
Read it here: https://kube.today/issues/154
⚡ Scaling Kubernetes Pain
🔐 MLOps Secret Management
🌍 DC-DR Clusters with Karmada
🧩 Kubernetes-Aware DB Proxy
Read it here: https://kube.today/issues/154
Cloud providers advertise 65,000-node clusters. 88% of teams run under 1,000
I surveyed 917 practitioners on scaling AI workloads in Kubernetes
The bottleneck isn't infrastructure, but knowing how to use what you have
Report: https://kube.today/ai-infrastructure-2025
I surveyed 917 practitioners on scaling AI workloads in Kubernetes
The bottleneck isn't infrastructure, but knowing how to use what you have
Report: https://kube.today/ai-infrastructure-2025
October 22, 2025 at 1:21 AM
Cloud providers advertise 65,000-node clusters. 88% of teams run under 1,000
I surveyed 917 practitioners on scaling AI workloads in Kubernetes
The bottleneck isn't infrastructure, but knowing how to use what you have
Report: https://kube.today/ai-infrastructure-2025
I surveyed 917 practitioners on scaling AI workloads in Kubernetes
The bottleneck isn't infrastructure, but knowing how to use what you have
Report: https://kube.today/ai-infrastructure-2025
Just landed: Learn Kubernetes weekly 153! My top picks:
🌍 Environments, Not Clusters
🔁 Terraform → Crossplane on AWS
⚙️ Local Dev Tooling for K8s
⚡ Bare-Metal Autoscaler
Read it here: https://kube.today/issues/153
🌍 Environments, Not Clusters
🔁 Terraform → Crossplane on AWS
⚙️ Local Dev Tooling for K8s
⚡ Bare-Metal Autoscaler
Read it here: https://kube.today/issues/153
October 15, 2025 at 11:36 AM
Just landed: Learn Kubernetes weekly 153! My top picks:
🌍 Environments, Not Clusters
🔁 Terraform → Crossplane on AWS
⚙️ Local Dev Tooling for K8s
⚡ Bare-Metal Autoscaler
Read it here: https://kube.today/issues/153
🌍 Environments, Not Clusters
🔁 Terraform → Crossplane on AWS
⚙️ Local Dev Tooling for K8s
⚡ Bare-Metal Autoscaler
Read it here: https://kube.today/issues/153
🤔 Ever wondered what happens when you run kubectl apply?
This Wednesday, Rafa and I trace the complete journey through authentication, RBAC, admission controllers, and into etcd. Plus: Server-Side Apply
Join us live → ku.bz/k8s-api-ssa
This Wednesday, Rafa and I trace the complete journey through authentication, RBAC, admission controllers, and into etcd. Plus: Server-Side Apply
Join us live → ku.bz/k8s-api-ssa
October 14, 2025 at 11:46 AM
🤔 Ever wondered what happens when you run kubectl apply?
This Wednesday, Rafa and I trace the complete journey through authentication, RBAC, admission controllers, and into etcd. Plus: Server-Side Apply
Join us live → ku.bz/k8s-api-ssa
This Wednesday, Rafa and I trace the complete journey through authentication, RBAC, admission controllers, and into etcd. Plus: Server-Side Apply
Join us live → ku.bz/k8s-api-ssa
🚀 Platform Engineering is coming for DevOps!
Q3 Kubernetes jobs:
- Platform roles doubled
- Software Engineers: 43%
- DevOps most remote (56%), Managers most office (59%)
Plot twist: Junior roles doubled despite AI hype
→ https://kube.careers/state-of-kubernetes-jobs-2025-q3
Q3 Kubernetes jobs:
- Platform roles doubled
- Software Engineers: 43%
- DevOps most remote (56%), Managers most office (59%)
Plot twist: Junior roles doubled despite AI hype
→ https://kube.careers/state-of-kubernetes-jobs-2025-q3
October 13, 2025 at 1:36 PM
🚀 Platform Engineering is coming for DevOps!
Q3 Kubernetes jobs:
- Platform roles doubled
- Software Engineers: 43%
- DevOps most remote (56%), Managers most office (59%)
Plot twist: Junior roles doubled despite AI hype
→ https://kube.careers/state-of-kubernetes-jobs-2025-q3
Q3 Kubernetes jobs:
- Platform roles doubled
- Software Engineers: 43%
- DevOps most remote (56%), Managers most office (59%)
Plot twist: Junior roles doubled despite AI hype
→ https://kube.careers/state-of-kubernetes-jobs-2025-q3
Just landed: Learn Kubernetes weekly 152! My top picks:
🚀 KEDA Autoscaling
💻 Cloud-Native Roles are Software Engineers
🍓 Raspberry Pi K8S Cluster Setup
🧹 Kubernetes Orphaned Resources Finder
Read it here: https://kube.today/issues/152
🚀 KEDA Autoscaling
💻 Cloud-Native Roles are Software Engineers
🍓 Raspberry Pi K8S Cluster Setup
🧹 Kubernetes Orphaned Resources Finder
Read it here: https://kube.today/issues/152
October 8, 2025 at 11:36 AM
Just landed: Learn Kubernetes weekly 152! My top picks:
🚀 KEDA Autoscaling
💻 Cloud-Native Roles are Software Engineers
🍓 Raspberry Pi K8S Cluster Setup
🧹 Kubernetes Orphaned Resources Finder
Read it here: https://kube.today/issues/152
🚀 KEDA Autoscaling
💻 Cloud-Native Roles are Software Engineers
🍓 Raspberry Pi K8S Cluster Setup
🧹 Kubernetes Orphaned Resources Finder
Read it here: https://kube.today/issues/152
200 Mac minis. 20,000 iOS tests
Vitalii from Agoda explains how they brought macOS workloads into Kubernetes at scale:
- Hybrid pods
- 55-60GB VM images with COW layering
- kubectl exec over SSH
Full episode: https://ku.bz/q_JS76SvM
Vitalii from Agoda explains how they brought macOS workloads into Kubernetes at scale:
- Hybrid pods
- 55-60GB VM images with COW layering
- kubectl exec over SSH
Full episode: https://ku.bz/q_JS76SvM
October 7, 2025 at 12:18 PM
200 Mac minis. 20,000 iOS tests
Vitalii from Agoda explains how they brought macOS workloads into Kubernetes at scale:
- Hybrid pods
- 55-60GB VM images with COW layering
- kubectl exec over SSH
Full episode: https://ku.bz/q_JS76SvM
Vitalii from Agoda explains how they brought macOS workloads into Kubernetes at scale:
- Hybrid pods
- 55-60GB VM images with COW layering
- kubectl exec over SSH
Full episode: https://ku.bz/q_JS76SvM
At KubeCon Atlanta: 4 quiz battles. 1 live leaderboard—infinite shame/glory
You will lose. You will question everything. You might win holographic stickers
Join the YAML games: https://yaml.games
You will lose. You will question everything. You might win holographic stickers
Join the YAML games: https://yaml.games
October 6, 2025 at 1:36 PM
At KubeCon Atlanta: 4 quiz battles. 1 live leaderboard—infinite shame/glory
You will lose. You will question everything. You might win holographic stickers
Join the YAML games: https://yaml.games
You will lose. You will question everything. You might win holographic stickers
Join the YAML games: https://yaml.games
Just landed: Learn Kubernetes weekly 151! My top picks:
⚙️ Kubernetes Node Stability and Performance:
📦 Dynamic PVC provisioning on AWS EKS
🎨 GPU sharing with MPS and OKE
🧹 K8s cleaner
Read it here: https://kube.today/issues/151
⚙️ Kubernetes Node Stability and Performance:
📦 Dynamic PVC provisioning on AWS EKS
🎨 GPU sharing with MPS and OKE
🧹 K8s cleaner
Read it here: https://kube.today/issues/151
October 1, 2025 at 11:36 AM
Just landed: Learn Kubernetes weekly 151! My top picks:
⚙️ Kubernetes Node Stability and Performance:
📦 Dynamic PVC provisioning on AWS EKS
🎨 GPU sharing with MPS and OKE
🧹 K8s cleaner
Read it here: https://kube.today/issues/151
⚙️ Kubernetes Node Stability and Performance:
📦 Dynamic PVC provisioning on AWS EKS
🎨 GPU sharing with MPS and OKE
🧹 K8s cleaner
Read it here: https://kube.today/issues/151
💣 5,000 lines of Groovy CI that only 3 people understand?
On KubeFM, Ben shared how Faire went from a Jenkins monolith to a distributed Buildkite
Key insight: Infrastructure failure rate dropped from 15% → <1%
Watch: https://ku.bz/klBmzMY5-
On KubeFM, Ben shared how Faire went from a Jenkins monolith to a distributed Buildkite
Key insight: Infrastructure failure rate dropped from 15% → <1%
Watch: https://ku.bz/klBmzMY5-
September 30, 2025 at 11:43 AM
💣 5,000 lines of Groovy CI that only 3 people understand?
On KubeFM, Ben shared how Faire went from a Jenkins monolith to a distributed Buildkite
Key insight: Infrastructure failure rate dropped from 15% → <1%
Watch: https://ku.bz/klBmzMY5-
On KubeFM, Ben shared how Faire went from a Jenkins monolith to a distributed Buildkite
Key insight: Infrastructure failure rate dropped from 15% → <1%
Watch: https://ku.bz/klBmzMY5-
🎉 Launching Kube Today – the homepage for everything Kubernetes!
Daily news, jobs, events, etc., all in one place. No more jumping between sites
I've been building this since June, and it's already my default homepage
→ https://kube.today
Daily news, jobs, events, etc., all in one place. No more jumping between sites
I've been building this since June, and it's already my default homepage
→ https://kube.today
September 29, 2025 at 1:26 PM
🎉 Launching Kube Today – the homepage for everything Kubernetes!
Daily news, jobs, events, etc., all in one place. No more jumping between sites
I've been building this since June, and it's already my default homepage
→ https://kube.today
Daily news, jobs, events, etc., all in one place. No more jumping between sites
I've been building this since June, and it's already my default homepage
→ https://kube.today
Just landed: Learn Kubernetes weekly 150! My top picks:
🖥️ Production Grade K8S From Bare Metal
🔐 Kubernetes Authentication & Authorization
🐹 Deploying and Exposing Go Apps with Kubernetes Ingress
Read it here: https://learnkube.com/issues/150
🖥️ Production Grade K8S From Bare Metal
🔐 Kubernetes Authentication & Authorization
🐹 Deploying and Exposing Go Apps with Kubernetes Ingress
Read it here: https://learnkube.com/issues/150
September 24, 2025 at 12:24 PM
Just landed: Learn Kubernetes weekly 150! My top picks:
🖥️ Production Grade K8S From Bare Metal
🔐 Kubernetes Authentication & Authorization
🐹 Deploying and Exposing Go Apps with Kubernetes Ingress
Read it here: https://learnkube.com/issues/150
🖥️ Production Grade K8S From Bare Metal
🔐 Kubernetes Authentication & Authorization
🐹 Deploying and Exposing Go Apps with Kubernetes Ingress
Read it here: https://learnkube.com/issues/150
"90% of teams don't need Kubernetes" - Danyl on KubeFM
Key insight: Most "microservices" are distributed monoliths that K8s won't fix. Start with modular monoliths, extract services only when you hit real constraints
Watch https://ku.bz/BYhFw8RwW
Key insight: Most "microservices" are distributed monoliths that K8s won't fix. Start with modular monoliths, extract services only when you hit real constraints
Watch https://ku.bz/BYhFw8RwW
September 23, 2025 at 11:42 AM
"90% of teams don't need Kubernetes" - Danyl on KubeFM
Key insight: Most "microservices" are distributed monoliths that K8s won't fix. Start with modular monoliths, extract services only when you hit real constraints
Watch https://ku.bz/BYhFw8RwW
Key insight: Most "microservices" are distributed monoliths that K8s won't fix. Start with modular monoliths, extract services only when you hit real constraints
Watch https://ku.bz/BYhFw8RwW
Ever had to create Helm charts from YAML files that… don't exist anymore? 🧨
I prepared a demo where Claude extracts running K8s configs, recreates the lost YAMLs, converts them to Helm charts
Next week, I will show you live: https://ku.bz/claude-k8s
I prepared a demo where Claude extracts running K8s configs, recreates the lost YAMLs, converts them to Helm charts
Next week, I will show you live: https://ku.bz/claude-k8s
September 22, 2025 at 1:17 PM
Ever had to create Helm charts from YAML files that… don't exist anymore? 🧨
I prepared a demo where Claude extracts running K8s configs, recreates the lost YAMLs, converts them to Helm charts
Next week, I will show you live: https://ku.bz/claude-k8s
I prepared a demo where Claude extracts running K8s configs, recreates the lost YAMLs, converts them to Helm charts
Next week, I will show you live: https://ku.bz/claude-k8s
Just landed: Learn Kubernetes weekly 149! My top picks:
✂️ How We Cut Our Azure Cloud Costs by 3×
📈 Resizing Pods Without the Drama
👨🎓 Mastering Kubernetes Security
🐍 HAMi – sharing and isolation of GPUs
Read it here: https://learnkube.com/issues/149
✂️ How We Cut Our Azure Cloud Costs by 3×
📈 Resizing Pods Without the Drama
👨🎓 Mastering Kubernetes Security
🐍 HAMi – sharing and isolation of GPUs
Read it here: https://learnkube.com/issues/149
September 17, 2025 at 1:06 PM
Just landed: Learn Kubernetes weekly 149! My top picks:
✂️ How We Cut Our Azure Cloud Costs by 3×
📈 Resizing Pods Without the Drama
👨🎓 Mastering Kubernetes Security
🐍 HAMi – sharing and isolation of GPUs
Read it here: https://learnkube.com/issues/149
✂️ How We Cut Our Azure Cloud Costs by 3×
📈 Resizing Pods Without the Drama
👨🎓 Mastering Kubernetes Security
🐍 HAMi – sharing and isolation of GPUs
Read it here: https://learnkube.com/issues/149
🧨 Adevinta's VPA went rogue, evicting critical pods in endless loops across 30 Kubernetes clusters serving 300k requests/second
The fix took seconds. Finding it took all night
https://ku.bz/rf1pbWXdN
The fix took seconds. Finding it took all night
https://ku.bz/rf1pbWXdN
September 16, 2025 at 11:57 AM
🧨 Adevinta's VPA went rogue, evicting critical pods in endless loops across 30 Kubernetes clusters serving 300k requests/second
The fix took seconds. Finding it took all night
https://ku.bz/rf1pbWXdN
The fix took seconds. Finding it took all night
https://ku.bz/rf1pbWXdN