text: from flask import Flask
  from app import db
  from app.models import User
  from app import  create_app
  from flask_script import Manager,Server
  from flask_migrate import Migrate, MigrateCommand
  
  app = create_app('production')
  manager = Manager(app)
  migrate = Migrate(app, db)
  manager.add_command('db', MigrateCommand)
  manager.add_command('server', Server)
  
  @manager.shell
  def make_shell_context():
      return dict(app = app,db = db,User = User )
  if __name__ == '__main__':
      manager.run()