Running Kubernetes on OCI Free Tier (Part 2): Multi-Cluster GitOps with Flux
One Git repo, two Kubernetes clusters. How I manage my homelab and OCI cluster with Flux CD, kustomize overlays, and a shared base.
DevOps Blog
Insights on cloud infrastructure, Kubernetes, CI/CD, and automation
AWS Networking Lessons: Transit Gateways, Shared VPCs, and the IRSA Gotcha
Three AWS networking lessons I learned at work — Transit Gateways vs VPC Peering, Shared VPCs with RAM, and why OIDC providers break canary deployments.
The AWS Decommissioning Checklist I Wish I Had
Lessons from tearing down an AWS project — Route53 gotchas, S3 cleanup tricks, and why you should always snapshot first.
Running Kubernetes on OCI Free Tier (Part 3): Networking Deep Dive
Cilium eBPF vs Flannel iptables, Cloudflare Tunnels, and Gateway API — a side-by-side comparison of homelab and cloud cluster networking.
Running Kubernetes on OCI Free Tier (Part 1): Provisioning with Terraform
How I set up a fully functional Kubernetes cluster on Oracle Cloud's Always Free Tier using Terraform — ARM nodes, networking, and all the gotchas.
The 15-Second Timeout: Debugging Envoy's Silent Killer in Kubernetes
How Envoy's default 15-second timeout silently kills requests before your ALB even responds — and the simple fix.
kubectl Commands I Actually Use Every Day
The kubectl commands that actually save me time — from context switching to secret decoding, manifest generation, and more.
GitHub Actions: Building a Beta Release Workflow That Actually Works
Input validation, release branching, and automated tagging — a practical GitHub Actions workflow for managing beta releases.
Taming the Kubernetes Hydra: Finding Happiness in Endless Battles
Every Kubernetes problem you solve creates two more. Here's how I learned to stop fighting the hydra and start working with it.
Terraform State Management: Migrating Backends Without Losing Your Mind
A practical guide to migrating Terraform state between backends, cleaning up stale resources, and the commands you'll actually need.
Infrastructure as Code: Terraform Best Practices for 2024
Master Terraform with battle-tested patterns for managing cloud infrastructure at scale. Learn state management, module design, and security practices.
Optimizing Docker Images with Multi-Stage Builds
Reduce Docker image sizes by up to 90% and improve security using multi-stage builds. Learn the patterns and best practices.
Getting Started with GitOps using Flux CD
Learn how to implement GitOps practices in Kubernetes using Flux CD for automated deployments and configuration management.