one

app.js

const express = require("express");
const path = require("path");
const ContactRoute = require("./Routes/ContactRoute");

const app = express();

//middleware
app.use(express.static(path.resolve(__dirname, "../client/build")));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

//routes
app.use("/", ContactRoute);
app.get("*", (req, res) => {
  res.sendFile(path.resolve(__dirname, "../client/build", "index.html"));
});

//connect port
const port = process.env.PORT || 3001;
app.listen(port, () => {
  console.log(`Server listening on ${port}`);
});