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  • Building Python Web APIs with FastAPI
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Building Python Web APIs with FastAPI

Building Python Web APIs with FastAPI

By : Abdulazeez , Abdulazeez Abdulazeez Adeshina
4.7 (9)
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Building Python Web APIs with FastAPI

Building Python Web APIs with FastAPI

4.7 (9)
By: Abdulazeez , Abdulazeez Abdulazeez Adeshina

Overview of this book

RESTful web services are commonly used to create APIs for web-based applications owing to their light weight and high scalability. This book will show you how FastAPI, a high-performance web framework for building RESTful APIs in Python, allows you to build robust web APIs that are simple and intuitive and makes it easy to build quickly with very little boilerplate code. This book will help you set up a FastAPI application in no time and show you how to use FastAPI to build a REST API that receives and responds to user requests. You’ll go on to learn how to handle routing and authentication while working with databases in a FastAPI application. The book walks you through the four key areas: building and using routes for create, read, update, and delete (CRUD) operations; connecting the application to SQL and NoSQL databases; securing the application built; and deploying your application locally or to a cloud environment. By the end of this book, you’ll have developed a solid understanding of the FastAPI framework and be able to build and deploy robust REST APIs.
Table of Contents (14 chapters)
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Preface
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Preface
Who this book is for
What this book covers
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1
Part 1: An Introduction to FastAPI
Part 1: An Introduction to FastAPI
Free Chapter
2
Chapter 1: Getting Started with FastAPI
Chapter 1: Getting Started with FastAPI
Technical Requirement
Git basics
Creating isolated development environments with Virtualenv
Package management with pip
Setting up Docker
Building a simple FastAPI application
Summary
3
Chapter 2: Routing in FastAPI
Chapter 2: Routing in FastAPI
Technical requirements
Understanding routing in FastAPI
Routing with the APIRouter class
Validating request bodies using Pydantic models
Path and query parameters
Request body
Building a simple CRUD app
Summary
4
Chapter 3: Response Models and Error Handling
Chapter 3: Response Models and Error Handling
Technical requirements
Understanding responses in FastAPI
Building response models
Error handling
Summary
5
Chapter 4: Templating in FastAPI
Chapter 4: Templating in FastAPI
Technical requirements
Understanding Jinja
Using Jinja templates in FastAPI
Summary
6
Part 2: Building and Securing FastAPI Applications
Part 2: Building and Securing FastAPI Applications
7
Chapter 5: Structuring FastAPI Applications
Chapter 5: Structuring FastAPI Applications
Technical requirements
Structuring in FastAPI applications
Summary
8
Chapter 6: Connecting to a Database
Chapter 6: Connecting to a Database
Technical requirements
Setting up SQLModel
Creating a database
Setting up MongoDB
CRUD operations
Summary
9
Chapter 7: Securing FastAPI Applications
Chapter 7: Securing FastAPI Applications
Technical requirements
Authentication methods in FastAPI
Securing the application with OAuth2 and JWT
Updating the application
Configuring CORS
Summary
10
Part 3: Testing And Deploying FastAPI Applications
Part 3: Testing And Deploying FastAPI Applications
11
Chapter 8: Testing FastAPI Applications
Chapter 8: Testing FastAPI Applications
Technical requirements
Unit testing with pytest
Setting up our test environment
Writing tests for REST API endpoints
Test coverage
Summary
12
Chapter 9: Deploying FastAPI Applications
Chapter 9: Deploying FastAPI Applications
Technical requirements
Preparing for deployment
Deploying with Docker
Deploying Docker images
Summary
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Preface

FastAPI is a fast and efficient web framework for building APIs with Python. This book is a thorough guide on how to build an application with the FastAPI framework.

It starts with the basics of the FastAPI framework and the other technologies used throughout this book. You’ll then learn about the different aspects of the framework: the routing system, response modeling, error handling, and templating.

In this book, you will learn how to build fast, efficient, and scalable applications in Python with FastAPI. You will begin from a Hello World application to a complete API that uses a database, authentication, and templates. You will learn how to structure your application to enhance efficiency, readability, and scalability. By integrating with other libraries in your application, you will learn how to connect your application to both a SQL database and a NoSQL database, integrate templates, and build authentication. Toward the end of this book, you will learn how to write tests, containerize your application, build a continuous integration and delivery pipeline using GitHub actions, and deploy your application to multiple cloud services. All of these will be taught via a theoretical and practical approach.

By the end of this book, you’ll be equipped with the necessary knowledge to build and deploy a robust web API using the FastAPI framework.

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