Layout

The files for Alembic are kept inside the migrations directory

cr-connect-workflow/
    migrations/
        README
        env.py
        script.py.mako
        versions/
            0718ad13e5f3_.py
            62910318009f_.py
            bbf064082623_.py
            ...

env.py is used whenever you run a migration.

script.py.mako is a template for generating migration scripts.

The actual migration scripts are in the versions directory.