refactor: project architecture refactor, container splitting

backend/main_migrate.py

@@ -0,0 +1,27 @@
+import asyncio
+import logging
+import sys
+
+from dotenv import load_dotenv
+from startup_banner import print_startup_banner
+
+from app_logging import configure_logging
+from config.settings import get_settings
+from db.database_setup import init_db, init_db_connection
+
+
+async def main() -> None:
+    settings = get_settings()
+    session_factory = init_db_connection(settings)
+    await init_db(settings, session_factory)
+
+
+if __name__ == "__main__":
+    load_dotenv()
+    print_startup_banner("migrate")
+    configure_logging()
+    try:
+        asyncio.run(main())
+    except Exception as exc:
+        logging.critical("Migration failed: %s", exc, exc_info=True)
+        sys.exit(1)