Build Flask Apps

Build Flask Apps

Flask is Python’s most popular framework for creating full-featured web applications. Flask's flexibility and ease of use make it a crowd favorite for new developers, while its powerful plugins and extensibility make it equally suitable for large enterprise-grade projects.

What You'll Learn

Creating a website with a Python backend
Serving pages with dynamic content
Compiling frontend JavaScript and CSS
Handling form submissions
Storing and fetching data from a database
User authentication & session management
Flask best practices

For those who...

Have a basic understanding of Python
Understand basic concepts of HTML
Would like to serve an app with a Python backend

Creating Your First Flask Application

Create a Python app in minutes using Flask: Python's most popular and easy-to-use framework for creating websites or APIs.

Rendering Pages in Flask Using Jinja

Serve dynamic web pages in Flask by mastering Jinja: Flask's built-in HTML templating engine.

Handling Forms in Flask with Flask-WTF

Handle user input forms in Flask with Flask-WTForm, with frontend field validation and error handling.

The Art of Routing in Flask

Empower your Flask application to grow dynamically with intelligent routes and well-structured views.

Configuring Your Flask App

Best practices on configuring Flask. Use different configs for different environments and keep sensitive values out of your source code.

Demystifying Flask’s "Application Factory"

Create a Flask app using the 'Application Factory' pattern. Learn what an application context is and how to build large-scale apps properly.

Organize Flask Apps with Blueprints

Structure your Flask app as a collection of modules. Use Flask Blueprints to organize your app by separation of concerns.

Serve Frontend JavaScript & Stylesheets in Flask

Build a frontend for your Flask application with Flask-Assets: a Flask add-on for compiling Javascript and serving stylesheets from LESS/SASS preprocessors.

Connect Flask to a Database with Flask-SQLAlchemy

Interact with a database within Flask using Flask-SQLAlchemy. Create, fetch, and manage records via SQLAlchemy’s ORM.

Flask User Accounts & Authentication in with Flask-Login

Create an interactive Flask application by supporting user accounts! Handle account creation, log-ins, walled content, and user-specific features.