server.js

require('dotenv').config();

const express = require('express');
const methodOverride = require('method-override');
const connectDB = require('./config/db');
const session = require('express-session');
const passport = require('passport');
const MongoStore = require('connect-mongo');
const cors = require('cors');
const app = express();
const port = 5000 || process.env.PORT;
const path = require('path')

app.use(session({
    secret: 'mr cat in the box',
    resave: false,
    saveUninitialized: true,
    store: MongoStore.create({
        mongoUrl: process.env.MONGODB_URI
    })
}));

app.use(passport.initialize());
app.use(passport.session());
app.use(express.urlencoded({extended: true}));
app.use(express.json());
app.use(methodOverride("_method"));

app.use(cors({
    origin: '',
    credentials : true,
}));
connectDB()

app.use('/',require('./routes/auth'));
app.use('/',require('./routes/dashboard'));
app.use('/', require('./routes/user'));

app.use(express.static(path.join(__dirname, "./client/build")));
app.get("*", function (_, res) {
    res.sendFile(
        path.join(__dirname, "./client/build/index.html"),
        function (err) {
            res.status(500).send(err);
        }
    );
});

app.listen(port, () => {
    console.log(`App listening on port ${port}`);
})