Latest Blogs
Tutorials, guides, and insights on DevOps, SRE, and Cloud technologies.
Azure Landing Zones — Enterprise-Scale Architecture
Design and deploy enterprise-scale Azure Landing Zones using the Cloud Adoption Framework — configure management group hierarchies, platform and application landing zones, hub-spoke networking, policy-driven governance, and automate everything with Bicep and Terraform.
DevOps Maturity Model — Where Is Your Organization?
Assess your organization's DevOps maturity across culture, automation, measurement, and sharing using a practical 5-level model with actionable roadmaps for improvement.
Docker Image Optimization — Distroless, Scratch, and Alpine Compared
Compare Docker base images — Ubuntu, Debian, Alpine, Distroless, and Scratch — with real size benchmarks, security profiles, and language-specific recommendations. Learn to shrink images by 90% using multi-stage builds, UPX compression, and the dive analysis tool.
Multi-Cluster Kubernetes — Federation, Submariner, and Cluster API
Learn how to architect and manage multi-cluster Kubernetes deployments. Covers KubeFed for federation, Submariner for cross-cluster networking, Cluster API for lifecycle management, Liqo for resource sharing, Admiralty for scheduling, and ArgoCD ApplicationSet for GitOps across clusters.
Monitor Linux Servers with Prometheus and Grafana
Set up full-stack Linux server monitoring with Prometheus, node_exporter, and Grafana. Track CPU, memory, disk, and network metrics with real alerting rules.
Writing Custom Terraform Providers in Go
Build your own Terraform provider from scratch using Go and the Terraform Plugin SDK v2 — covering schema design, CRUD operations, acceptance testing, and publishing to the Terraform Registry.
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