users.js - routes - server - load user by id - Instagram Clone React Node

users.js

app.get('/users/:id', (req, res) => {
  const userId = req.params.id;
  if (!userId) { 
    res.status(200).jsonp({ message: 'Cannot load user information, please try again' });
  }
  const getUserSql = "SELECT * FROM user_account WHERE id = ?";
  dbConn.query(getUserSql, [userId], function (error, response) {
    if (response && response.length) {
      res.status(200).jsonp(response);
    } else {
      res.status(200).jsonp({ message: 'Cannot load user information, please try again' });
    }
  });
});