AWS

Git Flow's branch model compared against trunk-based development with short-lived feature branches and feature flags — with a decision framework.

compose.yaml services, networks, volumes, environment files, healthchecks, and dependency ordering for a real app + database + cache stack.

The Pod as the atomic unit, Deployments for replica management and rollouts, and Services (ClusterIP/NodePort/LoadBalancer) for stable networking.

Production-grade static site delivery pipeline using S3 origin storage, CloudFront edge caching, ACM-issued TLS, Route53 DNS, and Cloudflare in front for extra security and performance.

Full dynamic web application stack on EC2 with an RDS-backed database, CloudFront + S3 for static assets, ACM TLS, Route53 DNS, and Cloudflare protection in front of the origin.

A real-world production static website hosted on AWS Amplify, connected to GitHub for automated CI/CD and secured with CloudFront, ACM, and Route 53. The architecture is designed for reliable, scalable and low-cost static website hosting, where AWS charges are primarily based on actual usage.

The Linux fundamentals every DevOps engineer needs before touching infrastructure.

Version control fundamentals — commits, branches, and merges.