from sqlalchemy import create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker from app.core.config import settings engine = create_engine( settings.DATABASE_URL, pool_pre_ping=True, pool_recycle=300, ) SessionLocal = sessionmaker(autocommit = False, autoflush = False, bind = engine) Base = declarative_base() def get_db(): db = SessionLocal() try: yield db finally: db.close()