First commit

.gitignore

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+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+# https://docs.npmjs.com/cli/shrinkwrap#caveats
+node_modules
+
+# Debug log from npm
+npm-debug.log

Procfile

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+web: npm start

app.js

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+const express = require('express');
+const path = require('path');
+const favicon = require('serve-favicon');
+const logger = require('morgan');
+const cookieParser = require('cookie-parser');
+const bodyParser = require('body-parser');
+
+const index = require('./app_server/routes/index');
+const users = require('./app_server/routes/users');
+
+const app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'app_server', 'views'));
+app.set('view engine', 'pug');
+
+// uncomment after placing your favicon in /public
+//app.use(favicon(path.join(__dirname, 'public', '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, 'public')));
+
+app.use('/', index);
+app.use('/users', users);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  const 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.render('error');
+});
+
+module.exports = app;

app_server/controllers/main.js

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+/* GET home page */
+const index = function(req, res){
+  res.render('index', { title: 'Express' });
+};
+
+module.exports = {
+  index
+};

app_server/routes/index.js

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+const express = require('express');
+const router = express.Router();
+const ctrlMain = require('../controllers/main');
+
+/* GET home page. */
+router.get('/', ctrlMain.index);
+
+module.exports = router;

app_server/routes/users.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+module.exports = router;

app_server/views/error.pug

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+extends layout
+
+block content
+  h1= message
+  h2= error.status
+  pre #{error.stack}

app_server/views/index.pug

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+extends layout
+
+block content
+  h1= title
+  p Welcome to #{title}

app_server/views/layout.pug

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+doctype html
+html
+  head
+    meta(name='viewport', content='width=device-width, initial-scale=1.0')
+    title= title
+    link(rel='stylesheet', href='/stylesheets/bootstrap.min.css')
+    link(rel='stylesheet', href='/font-awesome/css/font-awesome.min.css')
+    link(rel='stylesheet', href='/stylesheets/style.css')
+  body
+    block content
+    script(src='https://code.jquery.com/jquery-3.1.1.slim.min.js')
+    script(src='https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js')
+    script(src='/javascripts/bootstrap.min.js')

bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('book-code:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

package.json

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+{
+  "name": "book-code",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "body-parser": "~1.15.2",
+    "cookie-parser": "~1.4.3",
+    "debug": "~2.2.0",
+    "express": "~4.14.0",
+    "morgan": "~1.7.0",
+    "pug": "~2.0.0-beta6",
+    "serve-favicon": "~2.3.0"
+  }
+}