feat: Run database migrations in a thread pool to avoid blocking during initialization

app/core/database.py

@@ -1,3 +1,4 @@
+import asyncio
 from collections.abc import AsyncGenerator, Callable
 
 from alembic.config import Config
@@ -49,8 +50,10 @@ async def init_db() -> None:
         # Get the alembic config
         alembic_cfg = Config("alembic.ini")
 
-        # Run migrations to the latest revision
-        command.upgrade(alembic_cfg, "head")
+        # Run migrations to the latest revision in a thread pool to avoid blocking
+        await asyncio.get_event_loop().run_in_executor(
+            None, command.upgrade, alembic_cfg, "head",
+        )
         logger.info("Database migrations completed successfully")
 
     except Exception: