hot reloading flask
- Install Flask using pip:
pip install Flask
- Create a new Python file, e.g.,
app.py
, and write your Flask application code. - Set the environment variable
FLASK_APP
to the name of your Python file: export FLASK_APP=app.py
(on Windows, use set FLASK_APP=app.py
). - Enable debug mode to allow hot reloading:
export FLASK_ENV=development
(on Windows, use set FLASK_ENV=development
). - Run the Flask application:
flask run
. This will start the Flask development server with hot reloading enabled.