Generic single-database configuration.

# export env
eval "$(cat ./build-scripts/.env | grep -v '^#' | sed 's/^/export /')"

# generate migration scripts
alembic revision --autogenerate -m "<description>"

# upgrade to version with online or offline mode
# online
alembic upgrade head

# downgrade to a version
alembic downgrade <version>

# history
alembic history
