Flask-Migrate

pip install Flask-Migrate

Migrations are handle by flask-migrate/alembic

Creates folder for migrations

Setup

# extensions.py
from flask_migrate import Migrate

migrate = Migrate()

# app.py
from app.extensions import migrate

#......
migrate.init_app(app, db)

Then run this to create the db tables

flask db init
flask db migrate -m "Message goes here I think"
flask db upgrade

Generate New Migration Files

flask db migrate -m "Message goes here I think"
flask db upgrade