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Sherwin John Tragura - Building Python Microservices with FastAPI Build secure, scalable, and structured Python microservices from design concepts to infrastructure-Packt Publishing - ebooks Account

FastAPI , created by Sebastian Ramirez , provides experienced developers, experts, and enthusiasts the best option for building REST APIs
Technical requirements

1
Setting Up FastAPI
for Starters
In any software development work, it is always important to first know the business requirement of
the project and the appropriate framework, tools, and deployment platform to use before pursuing the
task. Frameworks that are easy to understand and use, seamless during coding, and within standards
are always picked because of the integrity they provide to solve problems without risking too much
development time. And a promising Python framework called
FastAPI
, created by Sebastian Ramirez,
provides experienced developers, experts, and enthusiasts the best option for building
REST APIs
and microservices.
But before proceeding to the core details of building microservices using FastAPI, it is best to first
learn the building blocks of this framework, such as how it captures clients’ requests, how it builds the
rules for each HTTP method, and how it manages HTTP responses. Learning the basic components
is always essential to know the strengths and weaknesses of the framework and to what extent we can
apply FastAPI to solve different enterprise-grade and microservices-related problems.
Thus, in this chapter, we’re going to have a walkthrough of the basic features of FastAPI by covering
the following main topics:
• The setup of the development environment
• Initialization and configuration of FastAPI
• Design and implementation of the REST APIs
• Managing user requests and server response
• Handling form parameters
• Handling cookies

Setting Up FastAPI for Starters
4
Technical requirements
The software specimen for this chapter is a prototypical administrator-managed online academic
discussion forum, which is an academic discussion hub where alumni, teachers, and students can
exchange ideas. The prototype is working but it is open for changes, so you can tweak the code while
reading this chapter. It is not designed to use any database management system, but all the data is
temporarily stored in various Python collections. All the applications in this book are compiled and
run using Python 3.8. Codes are all uploaded at https://github.com/PacktPublishing/
Building-Python-Microservices-with-FastAPI/tree/main/ch01
.

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