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Full-Stack Flask and React

Full-Stack Flask and React

By : Adedeji
4.3 (4)
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Full-Stack Flask and React

Full-Stack Flask and React

4.3 (4)
By: Adedeji

Overview of this book

Developing an interactive, efficient, and fast enterprise web application requires both the right approach and tooling. If you are a web developer looking for a way to tap the power of React’s reusable UI components and the simplicity of Flask for backend development to develop production-ready, scalable web apps in Python, then this book is for you. Starting with an introduction to React, a JavaScript library for building highly interactive and reusable user interfaces, you’ll progress to data modeling for the web using SQLAlchemy and PostgreSQL, and then get to grips with Restful API development. This book will aid you in identifying your app users and managing access to your web application. You’ll also explore modular architectural design for Flask-based web applications and master error-handling techniques. Before you deploy your web app on AWS, this book will show you how to integrate unit testing best practices to ensure code reliability and functionality, making your apps not only efficient and fast but also robust and dependable. By the end of this book, you’ll have acquired deep knowledge of the Flask and React technology stacks, which will help you undertake web application development with confidence.
Table of Contents (21 chapters)
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1
Part 1 – Frontend Development with React
9
Part 2 – Backend Development with Flask

Adding authentication to your Flask application

JWT is a popular method for authentication in modern web applications. A JWT is a JSON object that is digitally signed and can be used to authenticate users by transmitting claims between parties, such as an authorization server and a resource server. In a Flask web application, you can use the PyJWT library to encode and decode JWTs for authentication.

When a user logs into a Flask application, the backend verifies the user’s credentials, such as their email and password, and if they are valid, a JWT is generated and sent back to the client. The client stores the JWT in the browser’s local storage or as a cookie. For subsequent requests to protected routes and resources, the client sends the JWT in the request header.

The backend decodes the JWT to verify the user’s identity, grants or denies access to the requested resources, and generates a new JWT for subsequent requests. JWT for authentication allows stateless...

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