Production-tested checklists, templates, and guides you can actually use. Built from real experience, not generic AI-generated content.
Production-tested, free to download. No signup required.
The exact checklist I used to cut AWS costs by ~80%. Step-by-step audit process for EC2, RDS, storage, and networking.
Top 50 DevOps interview questions with production-grounded answers. Not textbook — real scenarios.
Copy-paste VPC architecture diagram for multi-tenant SaaS. Public, private, and database subnets.
Production-ready Terraform project structure with environments, modules, backend config, and best practices.
One-page reference for 30+ AWS services. When to use what, at a glance.
133-page senior DevOps prep guide. Every question has a direct answer, mental model, and production-level depth — the way 5-year engineers actually think.
Standalone Ansible deep-dive: architecture, static vs dynamic inventory, AWS EC2 plugin, playbook patterns, and production pitfalls. Same three-layer format.
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