app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var bodyParser= require('body-parser');
var cookieParser = require('cookie-parser');
var session = require('cookie-session');

var indexRouter = require('./routes/index');
var httpsRedirect = require('express-https-redirect');

var app = express();

// view engine setup
app.set('views', __dirname + '/views');
app.set('view engine', 'ejs');
app.use(cookieParser());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(session({ secret: 'keyboard cat', key: 'sid'}));
app.use(express.static(__dirname + '/public'));

app.use('/', httpsRedirect(true), indexRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// 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.render('error');
});

module.exports = app;