connect database

app/infrastructure/database/session.py

@@ -0,0 +1,20 @@
+from contextlib import asynccontextmanager
+from typing import AsyncIterator
+
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.orm import sessionmaker
+
+from config.config import settings
+
+engine = create_async_engine(settings.database_url, echo=True)
+async_session = sessionmaker(
+    bind=engine,
+    expire_on_commit=False,
+    class_=AsyncSession,
+)
+
+
+@asynccontextmanager
+async def get_session() -> AsyncIterator[AsyncSession]:
+    async with async_session() as session:
+        yield session