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 hbs = require('express-hbs');
var routes = require('./routes/index');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, '/'));
app.set('view engine', 'html');
app.engine('html', hbs.express4({
  partialsDir: __dirname + '/views/partials',
  defaultLayout: __dirname + '/layout.html',
  extname: 'html',
  //debugging
  beautify: true
}));

// uncomment after placing your favicon in /public
app.use(favicon(__dirname + '/public/img/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, '/')));

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


// 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 handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});

//production mode is read by node environment variable
app.locals.PROD_MODE = 'development' === app.get('env');

module.exports = app;