Question 1

How to deploy a Flask app to Heroku with PostgreSQL?

Accepted Answer

The tutorial provides detailed steps: create a Procfile and requirements.txt, provision Postgres on Heroku, update the database URI in the app, and run migrations. It covers configuring Gunicorn and handling environment variables.

Question 2

What's the difference between this TDD tutorial and the official Flask tutorial?

Accepted Answer

This extends the official tutorial by adding Test-Driven Development with pytest, deployment to Heroku, integration of SQLAlchemy and Bootstrap, and code quality tools like Black and Flake8, making it more modern and comprehensive.

Question 3

How to add a search feature in a Flask app?

Accepted Answer

It implements a search page that filters posts based on query parameters, using a GET route and template logic to match entries by title or text, demonstrating basic search functionality.

Question 4

Best practices for testing Flask applications with pytest?

Accepted Answer

The tutorial shows how to use pytest fixtures for database setup/teardown, write tests for views and authentication, and mock requests, emphasizing the Red-Green-Refactor cycle.

Question 5

How to use Bootstrap with Flask templates?

Accepted Answer

It links Bootstrap CSS from a CDN and updates HTML templates to use Bootstrap classes for styling, providing a quick way to enhance the UI without custom CSS.

Question 6

Flask SQLAlchemy vs raw SQL – which is better for beginners?

Accepted Answer

The project starts with raw SQL for clarity but migrates to SQLAlchemy, explaining its benefits like ORM abstraction and easier database management, making it a balanced learning approach.

Flaskr TDD

What is Flaskr TDD?

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