Building Python Microservices with FastAPI

Build secure, scalable, and structured Python microservices from design concepts to infrastructure

By: Sherwin John C. Tragura

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eText | 30 August 2022 | Edition Number 1

At a Glance

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Discover the secrets of building Python microservices using the FastAPI framework

Key Features

Provides a reference that contains definitions, illustrations, comparative analysis, and implementation of real-world apps
Covers concepts, core details, and advanced integration and design-related topics
Imparts context, app templates, suggestions, and insights that are helpful to actual projects

Book Description

FastAPI is an ASGI-based (Asynchronous Server Gateway Interface) framework that can help build modern, manageable, and fast microservices. Because of its asynchronous core platform, this ASGI-based framework provides the best option when it comes to performance, reliability, and scalability over WSGI-based Django and Flask. Developers working with Python, Flask, and Django microservices will be able to put their knowledge to work with this practical guide to building seamlessly manageable and fast microservices.

Complete with step-by-step explanations of essential concepts, practical examples, and self-assessment questions, you'll begin by understanding the background of FastAPI and learning how to install, configure and use FastAPI to decompose business units. You'll explore a unique and asynchronous REST API framework that can provide a better option when it comes to building microservices. Next, you'll be guided on how to apply and translate some microservices design patterns in building various microservices applications and RESTful APIs using the FastAPI framework.

By the end of this microservices book, you'll be able to learn, build, deploy, test, and experiment with microservices and their components using the FastAPI framework.

What you will learn

Understand, orient, and implement REST APIs using the basic components of the FastAPI framework
Build asynchronous, as well as synchronous REST services using the built-in pydantic module and asyncio support
Build event-driven and message-driven applications using the framework
Create small-scale and large-scale microservices applications using features supported by FastAPI
Create an asynchronous and synchronous data layer with both relational and NoSQL databases
Perform numerical and symbolic computations with FastAPI

Who This Book Is For

This book is for Python web developers, advanced Python users, and any backend developer using Flask or Django who wants to learn how to use the FastAPI framework to implement microservices. Readers familiar with the REST API and microservices will also benefit from this book. Some parts of the book contain general concepts, processes, and instructions that intermediate-level developers and Python enthusiasts can relate to as well.