"""
DB 연결 (공유 엔진 및 세션 팩토리)
"""

from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine

from config import settings

engine = create_async_engine(
    url=settings.MYSQL_URL,
    pool_pre_ping=True,
    pool_recycle=280,
)

SessionLocal = async_sessionmaker(
    bind=engine,
    class_=AsyncSession,
    expire_on_commit=False,
)