Architecture Basics for Small Projects

Understand fundamental patterns for organizing your code so projects stay manageable and easy to extend.

7 lessons

Frontend and Backend: What's the Difference?

Frontend runs in the browser, backend runs on a server — understanding this split is fundamental to web development.

Each part of your code should do one thing well — mixing responsibilities creates tangled, fragile systems.

AI coding agents work best with small, focused modules they can understand completely within their context window.

Good APIs are predictable contracts between frontend and backend — learn the patterns that make them intuitive.

Many languages can build backends — understand the tradeoffs to make an informed choice for your project.

Visualize how your system's pieces connect — AI can generate diagrams from plain English descriptions.

Keep your development environment clean by running databases and services in isolated containers.

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