Flask Tutorial

1. Flask Introduction

What Flask is, how it compares to Django, and how to install it and run your first app.

2. Flask Routing and Views

Route decorators, path converters, HTTP methods, the request object, and returning JSON.

3. Flask Templates and Forms

Jinja2 templates, template inheritance, handling form submissions, and basic input validation.

4. Flask Database with SQLAlchemy

Setting up Flask-SQLAlchemy, defining a model, and a full create/read/update/delete example.

5. Flask Authentication and Sessions

Flask sessions, Flask-Login basics, and a complete login-protected route example.

6. Testing Flask Apps

Flask's test_client(), and a complete test for a route backed by a database.

7. Flask Production Deployment

Why not to use the dev server in production, running Gunicorn, and a Dockerfile example.

8. Flask Interview Questions

Real Flask interview questions covering philosophy, app factories, blueprints, auth, testing, and WSGI.