v1

backend/app/database.py

@@ -0,0 +1,29 @@
+from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
+from typing import AsyncGenerator
+from app.config import settings
+
+engine = create_async_engine(
+    settings.DATABASE_URL,
+    echo=False,
+    pool_pre_ping=True,
+)
+
+AsyncSessionLocal = async_sessionmaker(
+    bind=engine,
+    class_=AsyncSession,
+    expire_on_commit=False,
+    autoflush=False,
+    autocommit=False,
+)
+
+
+async def get_db() -> AsyncGenerator[AsyncSession, None]:
+    async with AsyncSessionLocal() as session:
+        try:
+            yield session
+            await session.commit()
+        except Exception:
+            await session.rollback()
+            raise
+        finally:
+            await session.close()