Model deployment steps for flask

1. $ py -m venv venv

2. $ source venv/Scripts/activate

3. $ pip install flask

4. Create .flaskenv file in the root folder, inside, put 

FLASK_ENV=development

FLASK_APP=main.py

5. $ pip install --upgrade pip

6. $ pip install python-dotenv

7. Create “main.py”, inside “from application import app”

8. $ pip install scikit-learn (or any other packages that are needed)

9.     flask run

To create requirement.txt

use below is better

$pipreqs --force .