app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
// var dotenv = require('dotenv').config();

require('dotenv').config(); // module that load environment variables from a .env file 
console.log(process.env.DATABASE_URL);

const session = require('express-session');
const passport = require('passport'); 

var users = require('./routes/users');

var app = express();

// view engine setup
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(session({
  secret: "\x02\xf3\xf7r\t\x9f\xee\xbbu\xb1\xe1\x90\xfe'\xab\xa6L6\xdd\x8d[\xccO\xfe",
  resave: false,
  saveUninitialized: true
})); 
app.use(passport.initialize());
app.use(passport.session());
// app.use(express.static(path.join(__dirname, 'public')));
app.use(express.static(path.join(__dirname, 'frontend/build')));

// app.use('/', index);
app.use('/users', users);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.json(err);
});

module.exports = app;