Guides worth your time.
In-depth, no-fluff guides I’ve put together — free to read and built to actually teach the thing, from first principles to interview-ready.
Beginner → Intermediate
Containerization & Docker
Why containers exist, how they differ from VMs, the architecture, Dockerfiles, Compose, image layers, and real-world workflows.
Read the guide →
Beginner → Interview-ready
Git & GitHub
Version control from the ground up — architecture, branching, merge conflicts, rebasing, pull requests, and 20 interview questions.
Read the guide →More guides on the way.