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I used these lines to start my application:
from app import app
app.run(host='0.0.0.0', port=8080, debug=True)
Using Flask-Migrate, I have this instead:
from app import manager
manager.run()
manager.run does not take the same arguments as app.run, how do I define host and port?
455
In order to run the migrations initialize Alembic: $ python manage.py db init Creating directory /flask-by-example/migrations ... done Creating directory /flask-by-example/migrations/versions ... done Generating /flask-by-example/migrations/alembic.
Flask-Migrate is an extension that handles SQLAlchemy database migrations for Flask applications using Alembic. The database operations are provided as command-line arguments under the flask db command.
To first set up your migrations directory, we can run flask db init . This creates a new migration repository; in so doing, this command creates a couple of folders and files in our project root where our migrations will live. We only need to do this once.
manage.py replaces running the app with python app.py. It is provided by Flask-Script, not Flask-Migrate which just adds commands to it. Use the runserver command it supplies to run the dev server. You can pass the host and port to that command:
python manage.py runserver -h localhost -p 8080 -d
or you can override the defaults when configuring the manager:
from flask_script import Manager, Server
manager = Manager()
manager.add_command('runserver', Server(host='localhost', port=8080, debug=True))
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