title: How to auto generate migrations with Sequelize CLI from Sequelize models?
body: <p>I have a set of Sequelize models. I want to use migrations, not DB Sync.</p>
  
  <p><a href="https://github.com/sequelize/cli">Sequelize CLI</a> seems to be able to do this, according to <a href="http://sequelizejs.com/articles/express">this article</a>:
  "When you use the CLI for the model generation, you will gain the migration scripts for free as well."</p>
  
  <p>How to auto generate the migrations with Sequelize CLI from existing Sequelize models?</p>