generator-sails-rest-api/generators/controller/templates/api/controllers/PingController.js

Yeoman generator that provides already configured and optimized Sails REST API with bundle of predefined features

"use strict";

/**
 * PingController
 * @description :: Server-side logic that checks if app is alive
 */

module.exports = {
  index(req, res) {
    res.ok(req.allParams(), {message: 'HTTP server is working'});
  }
};