How to Run a Website using Flask

Flask is a popular web framework for building web applications with Python. It is lightweight, easy to use, and has a robust set of tools and libraries to help you get your website up and running quickly. In this article, we will walk through the steps to run a website using Flask.

Step 1: Install Flask

Before you can start building a website with Flask, you need to have it installed on your system. You can install Flask using pip, the Python package manager, by running the following command in your terminal:

pip install flask

Step 2: Create a Flask App

Next, you need to create a new directory for your Flask application and create a new Python file to define your app. In this file, you will import the Flask module and create a new Flask object to represent your web application. Here’s an example of a simple Flask app:

from flask import Flask
app = Flask(__name__)

@app.route('/')
def index():
    return 'Hello, World!'

if __name__ == '__main__':
    app.run()
  

Step 3: Run the Flask App

After you have defined your Flask app, you can run it by executing the following command in your terminal:

python app.py

Step 4: Access Your Website

Once your Flask app is running, you can access it by opening a web browser and navigating to http://127.0.0.1:5000/. You should see the message “Hello, World!” displayed on the page, which is the result of the index() function we defined earlier.

Conclusion

Running a website using Flask is a straightforward process, and with the help of this guide, you should now have a basic understanding of how to get started. From here, you can continue to build and expand your website by adding new routes, templates, and functionality to meet your specific needs. Happy coding!