- Flask – Authentication & Authorization
Introduction Every web application that handles user data needs authentication and authorization. Authentication answers the question “Who are you?” while authorization answers “What are you allowed to do?” Getting these wrong can expose user data, enable account takeovers, and destroy user trust.…
- Flask – Database Integration
Introduction Every non-trivial web application needs persistent storage. Whether you are building a REST API, an admin dashboard, or a SaaS product, the database layer is the backbone that holds your application state, user data, and business logic together. Flask, being a micro-framework, does not…
- Flask – REST API
Introduction A REST API (Representational State Transfer Application Programming Interface) is a software architectural style that defines a set of constraints for building web services. REST APIs communicate over HTTP, use standard methods (GET, POST, PUT, DELETE) to perform operations on…
- Flask – Forms & Validation
Introduction Forms are the primary interface between your users and your application. Every login page, registration flow, search bar, checkout form, and settings panel depends on form handling done right. Get it wrong and you open the door to data corruption, security vulnerabilities, and…
- Flask – Introduction & Setup
Introduction Flask is a lightweight WSGI web application framework for Python. Created by Armin Ronacher in 2010, it started as an April Fools’ joke that merged two libraries — Werkzeug (a WSGI toolkit) and Jinja2 (a template engine) — into a single package. The joke turned out to be genuinely…