How do I run a flask app in gunicorn if I used the application factory pattern?

Question

I wrote a flask app using the application factory pattern. That means it doesn\'t create an app instance automatically when you import it. You have to call create_app for

Answer 1

You need to create_app() with specific factory config in run.py. See the code below:

from your_app import create_app

if __name__ == "__main__":
    app = create_app(os.getenv('FLASK_CONFIG') or 'dev')
    app.run()

And then, you could run command gunicorn -w 4 -b 0.0.0.0:5000 run:create_app('dev') to run the application.