Linux

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.

The commands used daily for filesystem navigation, permissions, processes, networking, storage, and service management on any Linux distribution.

Version control fundamentals — commits, branches, and merges.

Pull requests, Actions triggers, and collaborating on GitHub.