from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker, declarative_base
import os

DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./dev.db")
engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False} if "sqlite" in DATABASE_URL else {})
SessionLocal = sessionmaker(bind=engine)
Base = declarative_base()