FastAPI makes it easy to get started with APIs. But when you're thinking about building real projects — projects that might one day be used by thousands of users — structure and scalability matter from day one. In this post, I'll show you: How to structure your FastAPI project cleanly How to organize versioned routes (so you can evolve your API over time) Why using Docker even for small apps saves you headaches later Clear explanations for every design decision (not just code)

Apr 26, 2025 - 03:43
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FastAPI makes it easy to get started with APIs.

But when you're thinking about building real projects — projects that might one day be used by thousands of users — structure and scalability matter from day one.

In this post, I'll show you:

  • How to structure your FastAPI project cleanly
  • How to organize versioned routes (so you can evolve your API over time)
  • Why using Docker even for small apps saves you headaches later
  • Clear explanations for every design decision (not just code)