Loopback script to migrate tables for default tables boot/server.js. EOS

loopback-automigration

//Importing the db structure for default apps
var appModels = ['User', 'AccessToken', 'ACL', 'RoleMapping', 'Role'];

var ds = app.dataSources.postgres;
ds.isActual(appModels, function (err, actual) {
  if (!actual) {
    ds.autoupdate(appModels, function (err) {
      if (err) throw (err);
    });
  }
});