server.js

const express = require('express');
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());

// Enable CORS
app.use(function (req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  next();
});

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

const port = process.env.PORT || 4000;

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