app.js

const express = require("express");
const mongoose = require("mongoose");
const auth = require("./routes/auth");
const Post = require('./models/Post');
const post = require('./routes/post')
const user = require('./routes/user');
// const cors = require('cors');

const app = express();
const hostName = "localhost"
const port = "4000";
app.use(express.json())
// app.use(cors());

// ====================MONGODB CONNECTION================

mongoose.Promise = global.Promise;
mongoose.connect(process.env.MONGOURI, ({ useUnifiedTopology: true, useNewUrlParser: true }), () => {
    console.log("connect to MongoDB");
});

app.use(auth);
app.use(post);
app.use(user);



// ==============LISTENING THE SEVER==================
app.listen(port, () => {
    console.log(`Server is up and running at http://${hostName}:${port}`);
});