Merge tag 'v1.0.3' into develop

DB Lost Connection 이슈 해결을 위해 pool 관련 옵션 추가

Author: minkyu97

waffledotcom/src/database/connection.py

@@ -15,7 +15,10 @@
 class DBSessionFactory(metaclass=SingletonMeta):
     def __init__(self):
         self._engine: sqlalchemy.Engine = sqlalchemy.create_engine(
-            db_config.url, echo=settings.is_local
+            db_config.url,
+            echo=settings.is_local,
+            pool_recycle=28000,
+            pool_pre_ping=True,
         )
         self._session_maker = orm.sessionmaker(
             bind=self._engine, expire_on_commit=False