Flask Python Basic Template Boilerplate Skeleton Project

Let’s create a basic example Flask project to get you started. Flask is a lightweight and flexible web framework for Python. We’ll set up a simple Flask application with a single route that returns “Hello, world!” when accessed.

Personal Software/Tools Recommendation

I personally use and recommend you for use the bellow tools while developing Flask Projects:

• Git Bash Command Line Interface for Windows
• Visual Studio Code IDE for writing code

Create a Basic Flask Web Framework Project

Step 1: Create a Virtual Environment

If you haven’t already set up a virtual environment, you can create and activate one by following these steps:

# On Windows
python -m venv venv
venv\Scripts\activate

# On macOS/Linux
python3 -m venv venv
source venv/bin/activate

Step 2: Install Flask

Install Flask within the activated virtual environment:

pip install Flask

Step 3: Create the Flask App

Now, let’s create the Flask app. In your desired project directory, create a Python file named app.py:

# app.py

from flask import Flask

# Create the Flask app instance
app = Flask(__name__)

# Define a route for the root URL
@app.route('/')
def hello_world():
    return "Hello, world!"

# Run the app if this script is executed directly
if __name__ == '__main__':
    app.run(debug=True)

Step 4: Run the Flask App

To run the Flask app, execute the following command in the terminal:

python app.py

The development server will start, and you should see the following output:

* Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

Step 5: Access the App in Your Browser

Open your web browser and go to http://127.0.0.1:5000/. You should see the text “Hello, world!” displayed on the page.

Congratulations! You’ve created a simple Flask project with a basic route. This project can serve as a starting point for building more complex Flask applications. Flask offers many features like routing, templates, request handling, and more, making it a versatile choice for web development with Python. Happy coding!

Find this Project on Github

Please read our blog on Flask Best Pratices for Building High Quality Web Projects.