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'))



//connect to mongoDB
const URI = process.env.MONGODB_URL
mongoose.connect(URI,{
    useNewUrlParser: true,
    useUnifiedTopology: true
}, err => {
    if (err) throw err ;
    console.log('connected to MongoDB')
})

//deploy
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 || 8080 
app.listen(PORT, () => {
    console.log('Server is running on port', PORT )
} )