Chapter 03

.dockerignore

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+node_modules/

.gitignore

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+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+.env
+
+# 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

Dockerfile

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+FROM node:11.2.0-alpine
+
+RUN apk add --no-cache curl-dev libzip-dev autoconf build-base gmp-dev coreutils python
+
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+COPY . /usr/src/app
+
+RUN npm i
+
+EXPOSE 3000
+
+CMD ["npm", "start"]

Procfile

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+web: npm start

README.md

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-# gettingMean-2
+# gettingMean-2
+# Getting MEAN Second Edition application code
+
+This is the code for the sample 'Loc8r' application that is built through the course of the book Getting MEAN Second Edition.
+
+Getting MEAN Second Edition is published by Manning, and teaches readers how to develop web applications end-to-end using the MEAN stack with Node 11 and Angular 7. It is currently in early access through the MEAP program, with new chapters being released regularly.
+
+> Note: if you have the First Edition of the book using Node 4 and Angular 1 you need the [First Edition code](https://github.com/simonholmes/getting-MEAN/) instead.
+
+## The application at various stages
+
+There will be named branches for the various states of the code throughout the book:
+
+* `master` **Chapter 3 start**: A blank Express 4.16.3 project
+* `chapter-03` **Chapter 3 end**: Creating and setting up a MEAN project
+* `chapter-04-views` **Chapter 4 mid-point**: The data is hard coded into views
+* `chapter-04` **Chapter 4 end**: Building a static site with Node.js and Express
+* `chapter-05` **Chapter 5**: Building a data model with MongoDB and Mongoose
+* `chapter-06` **Chapter 6**: Writing a REST API: Exposing your MongoDB database to the application
+* `chapter-07` **Chapter 7**: Consuming a REST API: Using an API from inside Express
+* `chapter-08` **Chapter 8**: Creating an Angular application with TypeScript
+* `chapter-09` **Chapter 9**: Building a Single Page Application with Angular
+* `chapter-10` **Chapter 10**: Building a Single Page Application with Angular: The next level
+* `chapter-11` **Chapter 11**: Authenticating users, managing sessions and securing APIs
+* `chapter-12` **Chapter 12**: Using an authentication API in Angular applications
+
+## Get the code to run on your machine
+
+Pre-requisites:
+
+* Git installed
+* A command line interface capable of running Git commands
+* Node v11 installed
+
+To get the code for a specific branch:
+
+`$ git clone -b branch-name https://github.com/cliveharber/gettingMean-2.git`
+
+Then change into the folder the git clone command will create:
+
+`$ cd getting-MEAN-2`
+
+And finally install the dependencies:
+
+`npm install`
+
+## Getting the code via Docker
+
+Pre-requisites:
+
+* Docker
+
+To get the code for a specific branch:
+
+`$ git clone -b branch-name https://github.com/cliveharber/gettingMean-2.git`
+
+Then change into the folder the git clone command will create:
+
+`$ cd getting-MEAN-2`
+
+And finally run the docker containers
+
+`make build`
+
+To remove the containers when complete
+
+`make destroy`
+

app.js

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+const createError = require('http-errors');
+const express = require('express');
+const path = require('path');
+const cookieParser = require('cookie-parser');
+const logger = require('morgan');
+
+const indexRouter = require('./app_server/routes/index');
+const usersRouter = 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');
+
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', indexRouter);
+app.use('/users', usersRouter);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function(err, req, res) {
+  // 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 homepage */
+const index = (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) {
+  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='/stylesheets/all.min.css')
+    link(rel='stylesheet', href='/stylesheets/style.css')
+  body
+    block content
+    script(src='https://code.jquery.com/jquery-3.3.1.slim.min.js', integrity='sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo', crossorigin='anonymous')
+    script(src='https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js', integrity='sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49', crossorigin='anonymous')
+    script(src='/javascripts/bootstrap.min.js')

bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+const app = require('../app');
+const debug = require('debug')('book-code:server');
+const http = require('http');
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+const normalizePort = (val) => {
+  const 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.
+ */
+
+const onError = (error) => {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  const 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.
+ */
+
+const onListening = () => {
+  const addr = server.address();
+  const bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+const port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+const server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);

docker-compose.yml

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+version: '3.0'
+services:
+  express:
+    build: .
+    ports:
+      - 3000:3000

makefile

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+default: build
+
+build:
+	docker-compose build
+	docker-compose up -d
+
+destroy:
+	docker-compose rm -f -s -v