server.js

if (process.env.NODE_ENV !=='production') {
    require('dotenv').config()
}


const express = require('express')
const app = express()
const expressLayouts = require('express-ejs-layouts')

const indexrouter = require('./routes/index')
app.set('view engine','ejs')   
app.set('views' , __dirname + '/views');
app.set('layout', 'layouts/layout')  
app.use(expressLayouts);
app.use(express.static('public'))
app.use('/', indexrouter)

const mongoose = require('mongoose')
mongoose.connect(process.env.DATABASE_URL
)
const db = mongoose.connection;
db.on('error',error => console.error(error))
db.once('open', () => console.log('connected to Mongoose'))

app.listen(process.env.PORT || 3000) ;