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Building Python Microservices with FastAPI

You're reading from   Building Python Microservices with FastAPI Build secure, scalable, and structured Python microservices from design concepts to infrastructure

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781803245966
Length 420 pages
Edition 1st Edition
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Sherwin John C. Tragura Sherwin John C. Tragura
Author Profile Icon Sherwin John C. Tragura
Sherwin John C. Tragura
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Table of Contents (17) Chapters Close

Preface 1. Part 1: Application-Related Architectural Concepts for FastAPI microservice development
2. Chapter 1: Setting Up FastAPI for Starters FREE CHAPTER 3. Chapter 2: Exploring the Core Features 4. Chapter 3: Investigating Dependency Injection 5. Chapter 4: Building the Microservice Application 6. Part 2: Data-Centric and Communication-Focused Microservices Concerns and Issues
7. Chapter 5: Connecting to a Relational Database 8. Chapter 6: Using a Non-Relational Database 9. Chapter 7: Securing the REST APIs 10. Chapter 8: Creating Coroutines, Events, and Message-Driven Transactions 11. Part 3: Infrastructure-Related Issues, Numerical and Symbolic Computations, and Testing Microservices
12. Chapter 9: Utilizing Other Advanced Features 13. Chapter 10: Solving Numerical, Symbolic, and Graphical Problems 14. Chapter 11: Adding Other Microservice Features 15. Index 16. Other Books You May Enjoy

Using GraphQL queries and mutations

GraphQL is an API standard that implements REST and CRUD transactions at the same time. It is a high-performing platform that’s used in building REST API endpoints that only need a few steps to set up. Its objective is to create endpoints for data manipulation and query transactions.

Setting up the GraphQL platform

Python extensions such as Strawberry, Ariadne, Tartiflette, and Graphene support GraphQL-FastAPI integration. This chapter introduces the use of the new Ariadne 3.x to build CRUD transactions for this ch10-mongo project with MongoDB as the repository.

First, we need to install the latest graphene extension using the pip command:

pip install graphene

Among the GraphQL libraries, Graphene is the easiest to set up, with fewer decorators and methods to override. It easily integrates with the FastAPI framework without requiring additional middleware and too much auto-wiring.

Creating the record insertion, update, and...

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