Getting Started with Flask: Building Python Web Applications


What is Flask?

Flask is a popular Python web framework that allows you to build web applications quickly and with minimal code. It is lightweight, easy to learn, and perfect for beginners who want to dive into web development.

Setting up Flask

To get started with Flask, you’ll first need to install it using pip, Python’s package manager. Once installed, you can create a new Flask project using the command line and start building your web application.

Creating Routes

In Flask, routes are used to map URLs to Python functions. This allows you to define different endpoints for your web application and handle user requests accordingly. With Flask, creating routes is straightforward and intuitive.

Working with Templates

Templates are an essential part of any web application, and Flask makes it easy to work with them. You can use the Jinja2 templating engine to create dynamic HTML content and render it within your web pages.

Using Flask Extensions

Flask has a wide range of extensions that can help you add functionality to your web application without reinventing the wheel. Whether you need to work with databases, handle authentication, or integrate with third-party APIs, there’s likely a Flask extension available to make your life easier.

Deploying Your Flask Application

Once you’ve built your Flask web application, you’ll need to deploy it to a server so that others can access it. Flask provides various options for deployment, including using a web server like Gunicorn or running your application on a Platform as a Service (PaaS) provider.


Getting started with Flask is a great way to dive into web development with Python. Its simplicity and flexibility make it an excellent choice for building web applications of all shapes and sizes. So, what are you waiting for? Start building with Flask today!