- Flask – Interview Questions
Introduction If you are preparing for a Python web developer interview, Flask is one of the most commonly tested frameworks. Whether the role involves building microservices, REST APIs, or full web applications, interviewers expect you to demonstrate not just familiarity with Flask’s API, but a…
- Flask – Deployment
Introduction You have built a Flask application. It handles routes, talks to a database, renders templates, and works perfectly on your laptop. Now comes the part that separates hobby projects from production software: deployment. Deployment is the process of taking your application from a…
- Flask – Testing
Introduction Code that is not tested is broken code. You might not know it yet, but it is broken. It works today because you just wrote it and manually clicked through every page. It will break tomorrow when your colleague changes a utility function, when a dependency updates, or when a customer…
- 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…
- Flask – Routes & Templates
Introduction Routing and templating are the two pillars of every Flask application. Routes map incoming HTTP requests to Python functions, and templates turn raw data into HTML that browsers can render. If you understand these two systems deeply, you can build anything from a single-page prototype…
- Introduction
What is Flask? Flask is a web development framework. It provides a lot libraries for building lightweight web applications in python. Flask is considered by many as a micro-framework due to the fact that it only provides the essential components – things like routing, request handling, sessions,…
- Testing
Resources https://flask.palletsprojects.com/en/1.1.x/testing/