database/database.py

from sqlalchemy import URL, create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

DATABASE_FILE = "app.db"
SQLALCHEMY_DATABASE_URL = f"sqlite:///./{DATABASE_FILE}"
engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base()