cp alembic.sample.ini alembic.ini
# Update
sqlalchemy.url = postgresql://<username>:<password>@<hostname>
alembic revision -m "Add a column"
# To latest
> alembic upgrade head
# Upgrade n version
> alembic upgrade +1
# Downgrade to base
> alembic downgrade base
# Downgrade n version
alembic downgrade -1
> alembic history --verbose
> alembic current