How do I use Flask-Migrate with Flask-SQLAlchemy?

How do I use Flask-Migrate with Flask-SQLAlchemy?

To use Flask-Migrate with Flask-SQLAlchemy, first install Flask-Migrate using pip.

What are the steps to set it up?

1. Import Migrate and MigrateCommand. 2. Initialize Migrate with your app and db. 3. Use Flask-Script to manage migrations.

Can you show me a code example?

Sure! Here's a basic setup:

from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///site.db'
db = SQLAlchemy(app)
migrate = Migrate(app, db)

What commands do I need to run for migrations?

You can use flask db init, flask db migrate, and flask db upgrade to manage your migrations.