Book Image

Mastering Flask Web Development - Second Edition

By : Daniel Gaspar, Jack Stouffer
Book Image

Mastering Flask Web Development - Second Edition

By: Daniel Gaspar, Jack Stouffer

Overview of this book

Flask is a popular Python framework known for its lightweight and modular design. Mastering Flask Web Development will take you on a complete tour of the Flask environment and teach you how to build a production-ready application. You'll begin by learning about the installation of Flask and basic concepts such as MVC and accessing a database using an ORM. You will learn how to structure your application so that it can scale to any size with the help of Flask Blueprints. You'll then learn how to use Jinja2 templates with a high level of expertise. You will also learn how to develop with SQL or NoSQL databases, and how to develop REST APIs and JWT authentication. Next, you'll move on to build role-based access security and authentication using LDAP, OAuth, OpenID, and database. Also learn how to create asynchronous tasks that can scale to any load using Celery and RabbitMQ or Redis. You will also be introduced to a wide range of Flask extensions to leverage technologies such as cache, localization, and debugging. You will learn how to build your own Flask extensions, how to write tests, and how to get test coverage reports. Finally, you will learn how to deploy your application on Heroku and AWS using various technologies, such as Docker, CloudFormation, and Elastic Beanstalk, and will also learn how to develop Jenkins pipelines to build, test, and deploy applications.
Table of Contents (15 chapters)

Deploying Flask Apps

Now that we have reached the last chapter of the book, and have a fully functioning web app made in Flask, the final step in our development cycle is to make the app available for the world. There are many different approaches for hosting your Flask app, each of them with its own pros and cons. This chapter will cover the best solutions and guide you through situations in which you should choose one over the other.

In this chapter, we will cover the following:

  • A brief introduction to the most commonly used web servers and gateway interfaces
  • How to deploy on various cloud services
  • How to build Docker images
  • How to describe services using Docker compose
  • How to describe your infrastructure using AWS CloudFormation (IaC)
  • How to set up and work with a CI/CD system to easily build, test, review, and deploy our application
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