All guides
BeginnerDevOps
Docker, from scratch
Containers without the cargo-culting. Build an image you understand line by line, then ship it small, fast, and reproducible.
4 parts · ~1h total
Start the seriesIn this series
- 0114m
What a container actually is
- 0222m
Writing a Dockerfile
- 0320m
Layers, caching & size
- 0418m
Compose & local dev
4-part seriesDeploy Next.js to production, properly
The guide I send when someone comments 'repo'. From a fresh project to a live URL with a database, auth, and a domain — no hand-waving.
Intermediate~1h total
4-part seriesBuild an AI agent that uses tools
Not a chatbot. An agent that plans, calls real functions, recovers from errors, and finishes a multi-step job without you babysitting it.
Advanced~2h total