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DevOps & Cloud

Practical tutorials, tips, and guides for Kubernetes, Terraform, Docker, CI/CD, and cloud infrastructure. No fluff, just real-world solutions.

Latest Posts

Tip Apr 20, 2026 Latest

How to Manage Multiple Azure Subscriptions in Terraform

Learn how to use Terraform provider aliases to deploy resources across multiple Azure subscriptions and pass providers into modules for hub-and-spoke architectures.

Read article
Blog Apr 19, 2026

GitHub Actions Security: How to Stop Secret Leaks in CI/CD

Protect your pipelines from credential theft. Learn to implement OIDC, pin actions to commit SHAs, and prevent 'pwn-request' attacks in GitHub Actions.

security
Blog Apr 18, 2026

Build an Internal Developer Platform with Backstage and

Learn how to combine Backstage and Crossplane to create a self-service IDP that reduces developer cognitive load and eliminates ticket-ops bottlenecks.

platform-engineering
Blog Apr 15, 2026

Cursor vs Copilot vs Cody: Best AI Editor for DevOps

Compare Cursor, GitHub Copilot, and Sourcegraph Cody for DevOps. Learn which AI tool best handles IaC, Kubernetes manifests, and complex CI/CD pipelines.

ai-devops
Blog Apr 14, 2026

GitOps Testing Strategies: Validate Deployments with ArgoCD

Stop 'blind syncs' in GitOps. Learn to use shift-left validation, ArgoCD PreSync hooks, and AnalysisTemplates to automate deployment health checks.

gitops
Blog Apr 14, 2026

Kubernetes Test Automation: Implementing a Shift-Left Strategy

Eliminate staging bottlenecks by using ephemeral environments and shift-left testing in Kubernetes. Learn to automate PR-based namespaces and GitOps workflows.

ci-cd
Blog Apr 14, 2026

Terraform Testing Best Practices: Beyond Plan and Pray

Stop relying on manual verification. Learn to implement a rigorous IaC testing pyramid using the native terraform test framework and Terratest.

terraform
Blog Apr 14, 2026

Testing in Production: Guide to Progressive Delivery

Reduce deployment risk using canary releases, feature flags, and traffic shadowing. Learn how to decouple deployment from release for safer delivery.

ci-cd
Tutorial Apr 14, 2026

How to Automate Terraform Reviews with GitHub Actions

Stop review fatigue. Learn to integrate CodeRabbit and GitHub Actions to automate AI-powered Terraform reviews and catch IaC security risks early.

terraform
Troubleshooting Apr 14, 2026

How to Debug OOMKilled Pods in Kubernetes: A Step-by-Step Guide

Stop Kubernetes CrashLoopBackOffs. Learn how to diagnose OOMKilled pods, analyze memory working sets, and perform heap profiling to fix memory leaks.

kubernetes
Blog Apr 13, 2026

Argo CD vs Flux: A Guide for Multi-Cluster GitOps

Choosing between Argo CD vs Flux for multi-cluster GitOps? Our guide compares architecture, security, and usability to help you pick the right tool for your platf...

gitops
Blog Apr 13, 2026

Fix Kubernetes CrashLoopBackOff: Root Causes & Diagnosis

Learn how to diagnose and fix Kubernetes CrashLoopBackOff in production. Step-by-step guide to exit codes, log analysis, and prevention strategies.

kubernetes
Blog Apr 13, 2026

Terraform State Locking: A Guide for Growing Teams

Prevent dangerous race conditions and state file corruption. This guide explains Terraform state locking and how to implement it with AWS, Azure, or Terraform Cloud.

terraform
Blog Apr 13, 2026

Testing Infrastructure as Code: The Terraform Testing Pyramid

Stop hope-based deployments. Learn to implement a professional IaC testing pyramid using TFLint, terraform test, Terratest, and OPA for secure infrastructure.

terraform
Tutorial Apr 13, 2026

How to Configure Advanced Argo CD Sync Policies for GitOps

Master Argo CD advanced sync policies: implement automated pruning, self-healing, sync waves, and professional rollback strategies for Kubernetes.

gitops
Tutorial Apr 13, 2026

How to Set Up Argo CD GitOps for Kubernetes Automation

Learn how to install Argo CD, eliminate configuration drift, and scale deployments across clusters using ApplicationSets in this step-by-step GitOps tutorial.

gitops
Tip Apr 13, 2026

Rapid Rollback: `kubectl set image` for Urgent Fixes

Learn how to use `kubectl set image` for rapidly rolling back to a previous container image in a Kubernetes deployment when problems arise, prioritizing speed and...

kubernetes
Comparison Apr 13, 2026

Kubernetes CNI comparison: Cilium vs Calico for platform teams in

Practical guide to kubernetes cni comparison: cilium vs calico for platform teams in with production-ready steps, validation checks and troubleshooting advice for De

kubernetes
Comparison Apr 13, 2026

NGINX vs Traefik: Kubernetes Ingress Comparison Guide

Compare NGINX and Traefik ingress controllers. Learn the trade-offs between raw performance and cloud-native agility to choose the best fit for your cluster.

kubernetes
Troubleshooting Apr 13, 2026

How to Fix Kubernetes CrashLoopBackOff in Production

Stop Kubernetes CrashLoopBackOff crashes with this production triage guide. Learn to decode exit codes, analyze logs, and prevent OOMKills effectively.

kubernetes
Interview Apr 13, 2026

Senior SRE Interview Questions & Answers for 2026

Master senior SRE interviews with expert answers on cell-based architecture, SLOs, and Platform Engineering. Prepare for high-signal technical rounds.

general
Blog Apr 12, 2026

Kubernetes v1.36: Features, Deprecations & Upgrade Guide

Explore Kubernetes v1.36's GA MutatingAdmissionPolicy, understand critical gitRepo volume removal, and get a step-by-step upgrade guide.

kubernetes
Blog Apr 10, 2026

Kubernetes HPA Deep Dive: Autoscaling Explained

Explore the internal workings of Kubernetes Horizontal Pod Autoscaler (HPA), its algorithms, metrics collection, and best practices for optimization.

kubernetes
Blog Apr 9, 2026

Docker Multi-Stage Builds: Smaller, Secure Production Images

Master Docker multi-stage builds to dramatically reduce image sizes, enhance security, and accelerate deployments for your production applications. Learn best pra...

docker
Tutorial Apr 7, 2026

LLM Observability on Kubernetes: A Practical Guide

Master LLM observability on Kubernetes with this practical guide. Learn to monitor AI agent performance, cost, and behavior using OpenTelemetry, Prometheus, Grafa...

kubernetes
Troubleshooting Apr 5, 2026

Fix CrashLoopBackOff in Kubernetes Pods

CrashLoopBackOff means your container starts, crashes, and Kubernetes keeps restarting it. Here is how to diagnose and fix it in under 5 minutes.

kubernetes
Interview Apr 5, 2026

Top 30 Kubernetes Interview Questions (2026)

Frequently asked Kubernetes interview questions covering pods, deployments, services, RBAC, and troubleshooting for mid to senior engineers.

kubernetes
Blog Apr 4, 2026

Kubernetes for Beginners: Deploy Your First Application

New to container orchestration? Get started with Kubernetes today! Learn core concepts, set up a local cluster with Minikube, and deploy your first application. M...

kubernetes
Tip Apr 4, 2026

Essential kubectl Commands Cheat Sheet

A quick reference for the most commonly used kubectl commands covering pods, deployments, services, and debugging.

kubernetes
Comparison Apr 4, 2026

Terraform vs Pulumi: IaC Tools Compared

A detailed comparison of Terraform and Pulumi for infrastructure as code, covering language support, state management, and ecosystem.

terraform
Tutorial Apr 3, 2026

Deploy an EKS Cluster with Terraform

Step-by-step tutorial to provision a production-ready EKS cluster on AWS using Terraform modules with networking and node groups.

terraform
Tip Apr 3, 2026

Debug Kubernetes CrashLoopBackOff in 30 Seconds

Quick command to instantly find why your pod is crash-looping.

kubernetes