Summary

In this chapter, you have taken a simple business requirement and turned it into a fully functional API deployed on the internet.

You have created the Pydantic models and applied some constraints on the data structure, learned how to connect to a MongoDB Atlas instance, and developed a basic, yet fully functional, CRUD functionality FASTAPI service.

You have learned how to model entities (in your case, cars and users) through Pydantic and how to make the data flow seamlessly to and from your database of choice – MongoDB – through simple pythonic FastAPI endpoints.

You have managed the secret keys – for connecting to MongoDB Atlas and Cloudinary – through pydantic_settings and you have crafted simple, yet flexible models that can easily accommodate more requirements, be expanded or include more functionality.

The service is now ready to be used in the frontend – ultimately, giving life to a full-stack web application.

In the...