from sqlalchemy import create_engine, Column, Integer, String from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker import os from dotenv import load_dotenv load_dotenv() POSTGRES_DATABASE_URL = os.environ.get("POSTGRES_DATABASE_URL") engine = create_engine( POSTGRES_DATABASE_URL ) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base = declarative_base()