MERN project | Heroku doesn't set client-side cookie-CodePudding

My MERN project work well on my local but when I deployed it I get 401 error while fetching user. Heroku doesn't set client-side cookie. Then I have searched on google first ı change my cookie-session to express-session and some other configuration and still, it doesn't work on Heroku.

CodePudding user response：

if your client side work on local, change secure value to false, remove proxy and sameSite

The project was working fine with the following cors and session information

app.use(
  cors({
    origin: "netlify url",
    credentials: true,
    methods: "GET,HEAD,PUT,PATCH,POST,DELETE",
    allowedHeaders: ['Content-Type', 'Authorization']

  })
);
const oneDay = 1000 * 60 * 60 * 24; // Equals 1 day (1 day * 24 hr/1 day * 60 min/1 hr * 60 sec/1 min * 1000 ms / 1 sec)
app.use(cookieParser("secret"));
app.use(
  express.session({
    secret: "secret",
    resave: false,
    saveUninitialized: true,
    store: sessionStore,
    proxy: true, 
    cookie: {
      sameSite:"none", 
      //path: "/",
      httpOnly:true,
      secure: true, 
      maxAge: oneDay,
    },
  })
);