server.js

//Bring in all dependencies 

require('dotenv').config();
const express = require('express');
const mongoose = require('mongoose');
const bodyParser=require('body-parser');

//Initialize app with express
const app = express();

//Database Connection 
mongoose.connect(process.env.DATABASE);
mongoose.connection.on('connected',()=>{
console.log('connected to the database');
});
mongoose.connection.on('error',(err)=>{
    console.log('Unable to connect to the database'+err );
});

//Port to be used by the server
const _PORT = process.env.PORT;

//---------------Middlewares------------------------
app.use(bodyParser.json());

//------------Middlewares----------------------------

app.get('/', (req, res, next)=>
{res.send('i am alive')});

//Start the server 
app.listen(_PORT, () => {
    console.log('Server Started') ; 
});