const corsOptions = {
                origin: (origin, callback) => {
                    callback(null, true);
                },
                credentials: true,
                methods: ['GET', 'PUT', 'POST', 'OPTIONS', 'DELETE', 'PATCH'],
                headers: ['x-user', 'X-Signature', 'accept', 'content-type'],
            };

            this.app.use(cors(corsOptions));
            this.app.options('*', cors());