from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from service.models import Base


class Database:
    def __init__(self, db_url):
        self.engine = create_engine(db_url)
        self.Session = sessionmaker(bind=self.engine)
        
    def create_tables(self):
        Base.metadata.create_all(self.engine)


DB_URL = "postgresql://CHANGEME"
db = Database(DB_URL)
db.create_tables()