from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
from sqlalchemy.orm import sessionmaker
from services.user_service.app.core.config import settings

# 注意：这里使用 user_db 数据库
DATABASE_URL = f"postgresql+asyncpg://user_service:password@postgres:5432/user_db"

engine = create_async_engine(DATABASE_URL)
AsyncSessionLocal = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)

async def get_db():
    async with AsyncSessionLocal() as session:
        try:
            yield session
        finally:
            await session.close()