server.js

require("dotenv").config();
const express = require("express");
const mongoose = require("mongoose");
const cors = require("cors");
const fileUpload = require("express-fileupload");
const cookieParser = require("cookie-parser");
const path = require("path");

const app = express();
app.use(express.json());
app.use(cookieParser());
app.use(cors());
app.use(
  fileUpload({
    useTempFiles: true,
  })
);

//Routes
app.use("/user", require("./routes/userRouter"));
app.use("/api", require("./routes/categoryRouter"));
app.use("/api", require("./routes/upload"));
app.use("/api", require("./routes/productRouter"));
app.use("/api", require("./routes/paymentRouter"));

//Connnection to mongoDB
const URI = process.env.MONGODB_URL;
mongoose.connect(
  URI,
  {
    useCreateIndex: true,
    useFindAndModify: false,
    useNewUrlParser: true,
    useUnifiedTopology: true,
  },
  (err) => {
    if (err) {
      throw err;
      console.log("Connected To MongoDB");
    }
  }
);

if(process.env.NODE_ENV==='production'){
  app.use(express.static('client/build'))
  app.get('*',(req,res)=>{
    res.sendFile(path.join(__dirname,'client','build','index.html'))
  })
}

const PORT = process.env.PORT || 5000;
app.listen(PORT, () => {
  console.log("Server is Running");
});