lib/common/appStatus.js
/**
* @typedef AppStatus
* @type {Object}
* @property {string} OK - application is successfully initialized and ready to receive connections
* @property {string} INIT - application is being initialized
* @property {string} ERROR - application failed during its initialization or after it started listening for connections
*/
module.exports = Object.freeze({
OK: 'ok',
INIT: 'init',
ERROR: 'error'
});