server.js

const express = require("express");
const app = express();
const cors = require('cors');
const path = require("path");
const bodyParser = require("body-parser");

//Middleware
app.use(cors());
app.use(bodyParser.json());

//Serving React Build via Express.js
app.use('/', express.static(path.join(__dirname, "client", "build")));

const authRoute = require('./routes/authRoutes');
app.use("/api/auth/", authRoute);

const stockRoute = require('./routes/stockRoutes');
app.use("/api/stocks/", stockRoute);

const portfolioRoute = require('./routes/portfolioRoutes');
app.use("/api/portfolio/", portfolioRoute);

//Catch All
app.get('/*', (req, res) => {
    res.sendFile(path.join(__dirname, "client", "build", "index.html"));
});

const port = process.env.PORT || 3000;
app.listen(port, () => console.log(`Server started on port ${port}`));