What I Learned Studying EKS Cluster Upgrades (Beyond Just "Click Upgrade")
I'm fairly new to SRE/DevOps, and one of the topics I recently spent time studying properly was EKS cluster upgrades . My first instinct, like most…
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Accelerating JVM startup on GKE: How VPA CPU startup boost eliminates ongoing resource waste
Running Java and other JVM-based workloads in Kubernetes has long presented an infrastructure sizing challenge. During initialization, JVM applicati…
Why Kubernetes, Terraform, and AWS Are Becoming Essential Cloud Skills in 2026 ☁️🚀
The cloud industry is changing fast. A few years ago, knowing how to launch a virtual machine was enough to get started with cloud computing. Today,…
Container Security for SREs: The Practical Checklist
Security Is Part of Reliability SREs think about availability, latency, and throughput. But a security breach is just another type of incident — oft…
Understanding Kubernetes: A Beginner's Guide to Container Orchestration
If you have already explored Docker , you know how convenient containers are. You package your application, dependencies, and environment into a nea…
🌪️ HomeLab Chronicles: Episode 4 - Turbulence
Hey all 👋 Sit tight! Because this is a little lengthy one. Last episode I closed by announcing that I would be adding two more nodes and bringing in…
Practice Linux, Docker and kubectl in Your Browser, No VM Required
Reading about chmod is not the same as typing it. Everyone who learned the terminal knows this, and everyone who teaches it says the same thing: you…
Running Kubernetes in an Air-Gapped Environment With Spinifex
Running Kubernetes in an air-gapped environment is harder than it looks. Kubernetes pulls container images from registries. Control plane components…
The Rollback Worked. My Next Deploy Could Break It Again.
My application was working again. That should have been the end of the problem. It was not. In [the first article in this series( https://blog.lalit…
Build an MCP Server in Go (Part 3): How IRSA and EKS Pod Identity Actually Work
Everything the MCP server could check through Part 2 lives inside the cluster. But "my pod can't reach S3" is very often not a Kubernetes problem at…
Progressive cluster upgrades at scale: A technical guide to GKE rollout sequencing with custom stages
Upgrading Kubernetes clusters across a large enterprise fleet is often a balancing act between staying current with security patches and avoiding ou…
Say Goodbye to YAML Hell: Introducing Infra Lang v0.5.1
If you've ever spent 3 hours debugging a missing 2-space indentation in a 1,000-line Kubernetes YAML file or copy-pasting the same service definitio…
App Health Endpoint Design: 3 Probes That Keep Logging and Metrics Useful
Short answer: for a Node.js app in Docker or Kubernetes, give startup, readiness, and liveness probes separate meanings, keep routine health traffic…
How to Update Open Cluster Management Add-ons in Order: dev stg prod
By combining ProgressivePerGroup with Placement decision groups, you can roll out add-on configuration changes in the order dev → stg → prod. In thi…
Day 55: Kubernetes Sidecar Containers
We have a web server container running the nginx image. The access and error logs generated by the web server are not critical enough to be placed o…
Installing Minikube on Debian
Installing Minikube on Debian Minikube is a practical way to run a small Kubernetes cluster on a Debian workstation or development instance. This gu…
Kubernetes Explained: Why Every Cloud & DevOps Engineer Should Learn It 🚀
Imagine you have one application running on a single server. Everything is fine. Then your users increase from 1,000 → 10,000 → 100,000 . Suddenly,…
Kubernetes Architecture
Control Plane (Master) & Worker Nodes Control Plane components: API Server Scheduler Control Manager etcd Worker Node components: Container Runt…
3 Tier Application On EKS
I built a 3-tier application running on Amazon EKS, deployed by a GitHub Actions pipeline that runs on every merge to main . The first version of th…
Building a Production AI Platform: Kubernetes, GitOps, IaC, Security, and Observability
Thanks for taking the time to read. If you’ve worked on AI platforms, cloud infrastructure, or platform engineering, I’d love to hear how your archi…
Kubernetes Basics for DevOps Engineers
Introduction: Kubernetes can feel overwhelming when you first hear terms like Pods, Services, and Deployments thrown around. In this first post of m…
Hey Dev Community — New Here!
Hey Dev Community! 👋 I’m Tejas, a DevOps Engineer from Bangalore, new to this platform. I work mostly with AWS, Kubernetes, Terraform, and Jenkins,…
Platform Engineering starts before Kubernetes
Why the right question isn't "where do I start with Kubernetes", but "what problem am I actually solving". The claim that tends to bother people Eve…
I Deployed Google's Online Boutique on AWS EKS — Full Production Setup, Zero App Code Changes
The Setup Google's Online Boutique is an open-source 11-service e-commerce demo — Go, Python, Node.js, C#, and Java, all communicating over gRPC. It…
Iran Doesn't Need to Mine Hormuz — Your requirements.txt Is Already Rigged
Iran Doesn't Need to Mine Hormuz — Your requirements.txt Is Already Rigged Every headline you've read this week is a diversion. The Strait of Hormuz…
Zero-code PII sanitization for Fluentd and Fluent Bit in Kubernetes
TL;DR: send app logs through a PII-Shield sidecar before Fluentd or Fluent Bit read them, then collect only masked identifiers like [HIDDEN:a1b2c3]…
Every release makes the harness harder to fool: LLMKube 0.9.19
LLMKube 0.9.19 shipped this morning, and it is the strangest release we have cut. About half of it exists because we caught our own agent pipeline l…
Why We Ship Our Security Webhook Fail-Open
pandocore.io Anything that installs an admission webhook into your cluster puts itself in the critical path of pod creation: service meshes, secret…
Your CI stack ships four YAML parsers and half of them are still on the 2009 spec
Everyone knows the Norway problem. country: NO becomes false , ha ha, quote your strings. What gets skipped is the part that actually costs you an a…
Kubernetes DNS was failing 33% of the time. CoreDNS was fine.
A WordPress site on our platform started throwing Error establishing a database connection . Not always — maybe one page load in three. Reload, and…