flask port

To run a Flask application on a specific port, you need to follow these steps:

  1. Import the necessary modules:
  2. Import the Flask module to create the Flask application.
  3. Import the request module to handle HTTP requests.

  4. Create the Flask application:

  5. Create an instance of the Flask class and assign it to a variable.
  6. Specify the name of the application as the parameter.

  7. Define a route:

  8. Use the @app.route() decorator to define a route for the application.
  9. Specify the URL path as the parameter for the decorator function.
  10. Create a function that will be executed when the route is accessed.

  11. Set up the application's main function:

  12. Use the if __name__ == '__main__': condition to check if the script is being run directly.
  13. Within this condition, use the app.run() method to run the Flask application.

  14. Specify the port number:

  15. Pass the port parameter to the app.run() method.
  16. Set the value of the port parameter to the desired port number.

  17. Save the code in a Python file with a .py extension.

  18. Open a terminal or command prompt and navigate to the directory where the Python file is saved.

  19. Execute the Python file:

  20. Type python filename.py in the terminal or command prompt, replacing filename.py with the actual name of the Python file.

  21. Access the Flask application in a web browser:

  22. Open a web browser.
  23. Enter the URL http://localhost:port, where port is the port number specified in the code.
  24. Press Enter to access the Flask application on the specified port.

By following these steps, you will be able to run a Flask application on a specific port.