app.js

const express=require('express')
const app=express()
const mongoose=require('mongoose')
var bodyParser = require('body-parser')
const PORT= process.env.PORT || 5000
const{MONGOURI}=require('./config/keys')
//9sZBODpeAEMomtoJ
mongoose.connect(MONGOURI, { useNewUrlParser: true, useUnifiedTopology: true
    , useFindAndModify: false})
mongoose.connection.on('connected',()=>{
    console.log("Mongo connected:");
})

mongoose.connection.on('error',(error) => {     
    console.log("error connected:",error);
})

require('./models/users')
require('./models/posts')

app.use(express.json())
app.use(require('./routes/auth'))
app.use(require('./routes/post'))
app.use(require('./routes/user'))

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

app.listen(PORT,()=>{
console.log("localhost::",PORT);
})