# apps/api/alembic
dir: apps/api/alembic

index: apps/api/alembic/.pi-map.index.md

## role
Database migration infrastructure for the API application, providing version-controlled schema changes with async SQLAlchemy support.
## files
- env.py | Configures Alembic database migration environment with async SQLAlchemy support for a project. | exp: func:run_migrations_offline() → None, call:context.configure, call:context.begin_transaction, call:context.run_migrations, func:do_run_migrations(connection: Connection) → None, call:context.configure, call:context.begin_transaction, call:context.run_migrations, func:run_async_migrations() → None, call:async_engine_from_config, call:config.get_section, call:connectable.connect, call:connection.run_sync, call:connectable.dispose, func:run_migrations_online() → None, call:asyncio.run, call:run_async_migrations | dep: logging.config, alembic, sqlalchemy, sqlalchemy.engine, sqlalchemy.ext.asyncio, src.config, src.models, asyncio
- script.py.mako | Alembic database migration script template that generates upgrade/downgrade functions for SQLAlchemy schema migrations | dep: alembic, sqlalchemy
## arch
Alembic migration framework with Mako templating for generating migration scripts, configured for async SQLAlchemy operations.
## tags
migrations, run, sqlalchemy, async, alembic, call:context.configure, call:context.begin, transaction
## symbols
- run_migrations_offline
- do_run_migrations
- run_async_migrations
- run_migrations_online
- call:context.configure
- call:context.begin_transaction
- call:context.run_migrations
- call:async_engine_from_config
## workflows
- change alembic behavior
  read: env.py, script.py.mako
- explore alembic subdirectories
  index: apps/api/alembic/versions/.pi-map.index.md
## dirty
-
