Prevent sequelize to drop database in node.js app

Question

First of all, I am using node.js with sequelize ORM and Postgres SQL.

I have 2 simple questions:

1. Every time I rerun my node application sequelize is

Answer 1

As you already figured out, the tables are being dropped because you are doing

sequelize.sync({ force: true })

The force true part being the culprit

To your second question - the state of migrations is saved in a table in your db - i believe it's called sequelize_meta