The Complete Claude Code Tutorial: Build and Deploy an AI App in an Afternoon

Most Claude Code tutorials stop at "here's how to install it." That's like teaching someone to drive by showing them the ignition. This Claude Code tutorial goes further — you'll use it to build a real AI-powered app from scratch and deploy it to production, step by step. By the end you'll have a working document Q&A API and a live deployment URL. The whole thing takes about an afternoon. What Claude Code actually is (and why it's different) Claude Code is Anthropic's AI coding agent that runs in your terminal. Unlike copilot-style tools that suggest individual lines inside an editor, Claude Code operates at the project level — it reads your entire codebase, understands how files relate to each other, and makes multi-file changes with full context. The practical difference: you describe what you want to build, and Claude Code writes the code, runs commands, fixes errors, and iterates — without you switching between a chat window and your editor. It's AI-augmented development where the