text: from app import create_app
  from app import db
  from flask_script import Manager, Server
  from flask_migrate import Migrate, MigrateCommand
  
  # Creating app instance
  app = create_app('development')
  
  manager = Manager(app)
  manager.add_command('server',Server)
  
  migrate = Migrate(app, db)
  manager.add_command('db',MigrateCommand)
  
  
  @manager.shell
  def make_shell_context():
      return dict(app=app) 
  
  if __name__== '__main__':
      manager.run()