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Best resources, news and tutorials about Kubernetes from last week.Kubernetes Weekly Newsletter, Kaptain, a FAUN Newsletter.
 
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Best resources, news and tutorials about Kubernetes from last week.
Kaptain
 
Curated Kubernetes news, tutorials, tools and more!
 
 
 
 

Argo CD is opening new doors with version 3.1 that treats Kubernetes manifests like royalty, while AWS is doubling down on cloud security with eBPF. Dive into tales of cloud cost savings, Kubernetes quirks, and macOS making waves without Docker's usual dance.


🚀 Announcing Argo CD v3.1

🛡️ AWS Introduces Extended Threat Detection for EKS via GuardDuty

💰 CNCF saves $1 million annually by migrating to OCI

📦 Containerizing AI: Hands-On Guide to Deploying ML Models

🔍 Enforce admission policies with OPA Gatekeeper

🚨 Hackers Exploit Misconfigured Docker APIs to Mine Cryptocurrency

💸 How I Stopped Worrying About Costs and Learned to Love Kubernetes

🍏 How macOS Tahoe's Killer New Feature Could Make Docker Obsolete

🤖 How To Run Kubernetes Commands in Go: Steps and Best Practices

📈 Streamlining Application Deployment on Kubernetes at RBC Capital Markets


Level up your cloud game and challenge the mundane. Code smart, ship swiftly.


Have a great week!
FAUN Team
 
 
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manageengine.com manageengine.com
 
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ℹ️ News, Updates & Announcements
 
gbhackers.com gbhackers.com
 
Kubernetes NodeRestriction Flaw Lets Nodes Bypass Resource Authorization
 
 

Kubernetes has tripped over a major flaw (CVE-2025-4563). Rogue nodes can skip past auth checks, opening a door for privilege escalation. But don’t sweat it too much; this only bites if you've enabled DynamicResourceAllocation and run static pods. AKS users, you're safe. But only if your setup isn't a mess. Better patch or hit the off switch on those vulnerable features pronto.

 
 
oracle.com oracle.com
 
CNCF saves $1 million annually by migrating to OCI
 
 

Oracle's tossing $3M a year in Ampere Arm-based credits into the mix for CNCF's cloud-native projects, supercharging them like they just downed a can of energy drink. Over at the Linux Foundation Education, they're watching their cloud bills shrink by $1M annually. Meanwhile, OCI Kubernetes Engine shows off its cost-effective and flexible muscles, carving a path to cut hosting costs by half. Less money out, more cloud magic in.

 
 
thehackernews.com thehackernews.com
 
Hackers Exploit Misconfigured Docker APIs to Mine Cryptocurrency via Tor Network
 
 

Wiz Research dives headfirst into the murky depths of 150,000 cloud accounts. They unearth glaring vulnerabilities, pointing fingers at major lapses in data exposure and slipshod access controls.

 
 
rbc.com rbc.com
 
Streamlining application deployment on Kubernetes at RBC Capital Markets: A journey with FluxCD
 
 

RBC FinSec Incubator launched with Rogers Cybersecure Catalyst to support fintech and cybersecurity startups in meeting financial sector needs.

 
 
blog.argoproj.io blog.argoproj.io
 
Announcing Argo CD v3.1
 
 

Argo CD v3.1 rolls out the red carpet for OCI registries. Now you can grab Kubernetes manifests just like container images. Security and portability take center stage. Meet the new Hydrator updates, which stitch dry commits to code, making traceability sleeker and UI displays sharper. 

 
 
kubernetes.io kubernetes.io
 
Image Compatibility In Cloud Native Environments
 
 

Kubernetes Node Feature Discovery now gives containers a say in the conversation. They can outline and validate OS and hardware needs. Smart scheduling for demanding apps just got a boost.

 
 
esri.com esri.com
 
What's New in ArcGIS Enterprise 11.5 on Kubernetes
 
 

ArcGIS Enterprise 11.5 on Kubernetes just lifted its game. It's rolling out support for StreetMap Premium, cranking up the speed with GPU nodes for Notebooks, and cozying up to the cloud via VMware Tanzu. Expect faster GIS ops. There's also a shiny new file management UI for Notebooks, custom-built for your big data wrestling matches.

 
 
infoq.com infoq.com
 
AWS Introduces Extended Threat Detection for EKS via GuardDuty
 
 

AWS GuardDuty cranks up EKS security using slick eBPF agents. These agents snag threats like reverse shells and crypto mining directly at the container level. No fuss with user-deployed agents needed. GuardDuty shrugs off traditional security headaches, nudging cloud giants like AWS toward smarter, hassle-free built-in protection.

 
 
zdnet.com zdnet.com
 
How MacOS Tahoe's killer new feature could make Docker feel obsolete
 
 

macOS Tahoe rolls out native Linux container support. Goodbye, third-party hoop-jumping with Docker. Hello, secure coding paradise. Developers rejoice!

 
 
 
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amzn.to amzn.to
 
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Discover how to build, scale, and manage resilient microservices with Kubernetes. This practical guide covers everything from local setups to advanced deployments using tools like Docker, Rancher, Helm, Istio, Argo CD and Prometheus. Perfect for all skill levels—turn Kubernetes into your key to cloud-native success.

Get your copy now!
 
 
👉 Spread the word and help developers find you by promoting your projects on FAUN. Get in touch for more information.
 
🔗 Stories, Tutorials & Articles
 
github.blog github.blog
 
Enforce admission policies with artifact attestations in Kubernetes using OPA Gatekeeper
 
 
OPA Gatekeeper ups the ante on Kubernetes security. How? By enforcing GitHub Artifact Attestations with the flair of a seasoned bouncer. Non-compliant images now get the boot before they even think about deployment.
 
 
xda-developers.com xda-developers.com
 
I use these niche Docker containers to boost my productivity
 
 

Tududi corrals tasks and projects with tags, colors, and inboxes inside a nimble, containerized UI. Docmost mimics Notion with privacy-first spaces, block editing, and file embeds—no cloud lock-in. Syncthing syncs files peer-to-peer, ditching cloud dependencies while keeping data always current. Grocy orchestrates groceries, chores, and battery life with meal plans and barcode-savvy inventory. Stirling PDF slices, seals, and scrambles PDFs with OCR, compression, and watermarking on demand. FileBrowser spins up a full web file manager—multi-user, permissioned, and fast as a local app.

 
 
medium.com medium.com
 
How I Stopped Worrying About Costs and Learned to Love Kubernetes
 
 

Deploying a puny Hello World app on Kubernetes? Brace yourself. The meter's running even before your first visitor stumbles in—over $150/month just for the control plane. Solution? Enter Rackspace Spot. Slash that tab by up to 76% using bargain-basement servers that practically pay you at $0.001/hour, plus a free control plane. Suddenly, Kubernetes doesn’t look so pricey.

 
 
dzone.com dzone.com
 
Containerizing AI: Hands-On Guide to Deploying ML Models With Docker and Kubernetes
 
 

Containerization bundles ML model code and dependencies for reproducibility and portability, easing scaling and isolating environments. Kubernetes automates management for seamless deployments and scalability, guaranteeing consistent performance.

 
 
metalbear.co metalbear.co
 
Inspecting Service Traffic with mirrord dump
 
 

With mirrord’s latest trick, monitoring incoming TCP traffic in Kubernetes feels like wielding a built-in tcpdump. But there’s a twist: it zeroes in on essential resources without eBPF or sidecars. Developers can filter and capture traffic in their sessions, offering a swift solution for debugging in busy, multi-user environments.

 
 
vegard.blog.engen.priv.no vegard.blog.engen.priv.no
 
Kubernetes configuration as code – Gitea and ArgoCD
 
 

ArgoCD brings serious application management chops to the table. But when it meets existing Helm setups, chaos might ensue—junk those old secrets to clear the path.

 
 
docker.com docker.com
 
State of App Dev: AI
 
 

64% of users find AI tools actually lighten the workload, yet 59% roll their eyes at the hype—function outshines flash. But behind the curtain, data prep still plays villain, tripping up 24% of AI builders.

 
 
thenewstack.io thenewstack.io
 
How To Run Kubernetes Commands in Go: Steps and Best Practices
 
 

Go cranks up Kubernetes automation, letting you tango directly with clusters at lightning speed. Forget clumsy shell scripts. Dive into Go's slick native libraries to conjure up CLI tools and seamless automation. Meanwhile, bask in rock-solid community support and run your masterpieces on any platform.

 
 
sitepoint.com sitepoint.com
 
ArgoCD: A Practical Guide to GitOps on Kubernetes
 
 

ArgoCD tackles giant deployments head-on, operating with a cunning pull-based model inside Kubernetes clusters. This clever move slashes the risk from exposed API keys and tightens security. LoveHolidays? They're jazzed. Their deploys skyrocket—over 1500 times a month. It’s a testament to ArgoCD's knack for wrangling configuration drift and orchestrating automated workflows across clusters like a pro.

 
 
 
⚙️ Tools, Apps & Software
 
github.com github.com
 
deployTo-Dev/knot
 
 

Self-hosted container registry and builder

 
 
github.com github.com
 
ReviewSignal/orderly-ape
 
 

Orderly Ape is an open source load testing project to run distributed k6 tests on your own infrastructure.

 
 
github.com github.com
 
noghartt/container-compose
 
 

A docker-compose like tool for Apple Containers

 
 
github.com github.com
 
apple/containerization
 
 

Containerization is a Swift package for running Linux containers on macOS.

 
 

👉 Spread the word and help developers find and follow your Open Source project by promoting it on FAUN. Get in touch for more information.

 
🤔 Did you know?
 
 
Did you know Shopify routes the bulk of its API traffic through containerized MySQL shards, each running in isolated pods to handle real-time transactions? They use an in-house tool, Ghostferry, for zero-downtime shard migrations and deploy read replicas to scale reads and absorb peak loads without bottlenecks.
 
 
😂 Meme of the week
 
 
 
 
🤖 Sensei Says
 
 

"Engineer your infrastructure like Lego blocks, but remember: complexity grows not from size but from how you choose to connect them."
— Sensei

 

(*) Sensei is a work-in-progress AI agent built by FAUN

 
❤️ Thanks for reading
 
 
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