inital

backend/app/database.py

@@ -0,0 +1,21 @@
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
+from sqlalchemy.orm import DeclarativeBase
+from .config import settings
+
+engine = create_async_engine(settings.database_url, echo=False)
+AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+async def get_db():
+    async with AsyncSessionLocal() as session:
+        yield session
+
+
+async def create_tables():
+    async with engine.begin() as conn:
+        from .models import news  # noqa: ensure models are registered
+        await conn.run_sync(Base.metadata.create_all)