How can I secure my Flask application’s database?

How can I secure my Flask application’s database?

To secure your Flask application's database, you should use environment variables for sensitive information, implement proper user authentication, and use parameterized queries to prevent SQL injection.

What are environment variables and how do I use them?

Environment variables are key-value pairs stored outside your application code. You can use libraries like python-dotenv to load them from a .env file.

Can you explain SQL injection and how to prevent it?

SQL injection is a code injection technique that attackers use to exploit vulnerabilities in your application. To prevent it, always use parameterized queries or ORM libraries like SQLAlchemy.

What is the best way to handle user authentication in Flask?

The best way to handle user authentication in Flask is to use the Flask-Login extension, which provides session management and user authentication features.