server.js

const express = require('express')
const cors = require('cors')
const mongoose = require('mongoose')
const bodyParser = require('body-parser')
const passport = require('passport')

const users = require('./routes/api/users')
const profile = require('./routes/api/profile')
const posts = require('./routes/api/posts')

const app = express()

// Body parser middleware
app.use(
  bodyParser.urlencoded({
    extended: false
  })
)
app.use(bodyParser.json())

// Cors
app.use(cors())

//DB config
// const db = require("./config/keys").mongoURI;
const db = require('./config/keys').localMongoDB

// Connect to MongoDB
mongoose
  .connect(db)
  .then(() => console.log('MongoDB connected.'))
  .catch(err => console.log(err))

// Passport Middleware
app.use(passport.initialize())

// Passport Config
require('./config/passport')(passport)

// Use Routes
app.use('/api/users', users)
app.use('/api/profile', profile)
app.use('/api/posts', posts)

const port = process.env.PORT || 5000

app.listen(port, () => console.log(`Server is running on port ${port}`))