old_contents: from flask import Flask
  from flask_sqlalchemy import SQLAlchemy
  
  from os import getenv
  
  
  app = Flask(__name__)
  app.config['SQLALCHEMY_DATABASE_URI'] = getenv('DATABASE_URL',
                                                 default='postgresql://postgres@localhost:5432/loadstone')
  db = SQLAlchemy(app)
  
  import api.views
  
new_contents: from flask import Flask
  from flask_sqlalchemy import SQLAlchemy
  
  from os import getenv
  
  
  app = Flask(__name__)
  app.config['SQLALCHEMY_DATABASE_URI'] = getenv('DATABASE_URL', default='sqlite://')
  db = SQLAlchemy(app)
  
  import api.views
  
subject: Set default to sqlite memory