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Continuous Integration, Delivery, and Deployment
Continuous Integration, Delivery, and Deployment

Continuous Integration, Delivery, and Deployment: Reliable and faster software releases with automating builds, tests, and deployment

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Continuous Integration, Delivery, and Deployment

Setting Up a CI Environment

In the remainder of this book, we're going to implement Continuous Integration, Delivery, and Deployment. However, before we start, we must choose some software to work with. As I have mentioned, we have multiple choices for our source control and for our CI server and, of course, we can use a ton of programming languages and databases. Additionally, we need to create some project to work with. This chapter will lay out the technologies that are used in the remainder of the book, as well as a high-level overview of how they all work together. For the test project, we'll create a simple to-do list web app. We'll implement it in Node.js with a MongoDB database and in C# Core with a PostgreSQL database. That way, we'll see CI in action in both frontend and backend development, as well as the popular JavaScript language, the compiled...

Installing a Virtual Machine

As mentioned, we will need a Virtual Machine. We are going to use Oracle VM VirtualBox to host our VMs, which you can download at: https://www.virtualbox.org (I have downloaded the VirtualBox 5.1.12 platform package for Windows). Download the version that is applicable to you on the downloads page and install it on your computer. I've left all the defaults as they were, but you can change them as you see fit (at your own risk). If all goes well, you should soon see the Oracle VM VirtualBox Manager, as follows:

To create a new VM, click the New button. You then get to pick a name (I have called my VM CI server), a type (Linux), and a version (Ubuntu (64-bit), which is the default). The next window lets you specify the amount of memory. The default is 1 GB, but I recommend making that 4 GB (4096 MB), unless you are only going to run GitLab on it...

Installing Git

The first thing we have to do is install Git. As I said at the start of Chapter 1, Continuous Integration, Delivery, and Deployment Foundations, CI starts with a shared repository and this is it. Git is the immensely popular Source Control Management (SCM) tool from the creator of Linux. It shows that everything is done through the command line, and the only official user interface is so bad you might as well use the command line. Luckily, there are some third-party tools available. Aside from the tooling, Git is a really good source control system that has some benefits over its competitors. As I mentioned earlier, we are going to use GitLab (https://gitlab.com) on Ubuntu, which gives you a nice GitHub-like portal.

A good alternative for hosting your own Git server is to look for an online host. The most popular, by far, is GitHub (https://github.com/). Personally...

Installing Jenkins

In this section, we are going to install Jenkins and configure it from the host machine. We do not need to install Jenkins on a server, so if you are low on RAM, consider installing it on your local machine (see the Installing Jenkins on Windows section). Of course, since you will be using CI mostly in a team, installing Jenkins on your local machine does not make much sense. However, if your company is running Windows servers, or developing using Microsoft technology, you will want to read the Windows section anyway. Unlike Git, Jenkins does not need a client application.

Installing Jenkins on Ubuntu

Unfortunately, Jenkins is not as straightforward as doing apt-get install. If you try to install Jenkins...

Installing PostgreSQL

PostgreSQL (https://www.postgresql.org/) is a powerful and popular open source SQL database. Even though it has nothing to do with Continuous Integration, we will need it to install the next tool, SonarQube. We will make use of PostgreSQL in the later chapters of the book, so we are not going through all this trouble just for SonarQube (but trust me, SonarQube alone is already worth it!).

Installing PostgreSQL on Ubuntu

First, we need to install PostgreSQL and some popular extensions. Ubuntu has some pretty good documentation on how to install PostgreSQL (https://help.ubuntu.com/community/PostgreSQL):

sudo apt-get update
sudo apt-get install postgresql postgresql-contrib

The installation creates a default...

Installing SonarQube

SonarQube (https://www.sonarqube.org/) is a tool that scans your code and does a quality check. A set of rules are applied to your code and every time you break a rule, SonarQube will report it and add it to the technical debt. A rule can be simple, such as a missing semi-colon at the end of a JavaScript line. That should be a few seconds fix. Another rule can be more difficult, such as that the complexity of a function (nested loop and if statements and the lines of code add to the complexity) should not be greater than a certain value. SonarQube has a default set of rules, but you can roll out your own. In this book, we are going to see SonarQube with HTML, CSS, JavaScript, and C#, but SonarQube supports many languages, such as Java, VB.NET, SQL, Haskell, PHP, and many more.

...

Summary

In this chapter, we have installed our CI environment. We have discussed the various tools we are going to use throughout the book. We have also had our first look at Git, Jenkins, and SonarQube and made them work together. In the remainder of the book, we are going to install many more tools on the server and locally. But before we get to that, we will take a closer look at Git in the next chapter, as there is a lot more to Git than we have seen so far.

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Key benefits

  • Incorporate popular development practices to prevent messy code
  • Automate your build, integration, release, and deployment processes with Jenkins, Git, and Gulp, and learn how continuous integration (CI) can save you time and money
  • Gain an end-to-end overview of Continuous Integration using different languages (JavaScript and C#) and tools (Gulp and Jenkins)

Description

The challenge faced by many teams while implementing Continuous Deployment is that it requires the use of many tools and processes that all work together. Learning and implementing all these tools (correctly) takes a lot of time and effort, leading people to wonder whether it's really worth it. This book sets up a project to show you the different steps, processes, and tools in Continuous Deployment and the actual problems they solve. We start by introducing Continuous Integration (CI), deployment, and delivery as well as providing an overview of the tools used in CI. You'll then create a web app and see how Git can be used in a CI environment. Moving on, you'll explore unit testing using Jasmine and browser testing using Karma and Selenium for your app. You'll also find out how to automate tasks using Gulp and Jenkins. Next, you'll get acquainted with database integration for different platforms, such as MongoDB and PostgreSQL. Finally, you'll set up different Jenkins jobs to integrate with Node.js and C# projects, and Jenkins pipelines to make branching easier. By the end of the book, you'll have implemented Continuous Delivery and deployment from scratch.

Who is this book for?

This book is for developers who want to understand and implement Continuous Integration and Delivery in their daily work. A basic knowledge of at least JavaScript and HTML/CSS is required. Knowing C# and SQL will come in handy. Most programmers who have programmed in a (compiled) C-like language will be able to follow along.

What you will learn

  • Get to know all the aspects of Continuous Integration, Deployment, and Delivery
  • Find out how Git can be used in a CI environment
  • Set up browser tests using Karma and Selenium and unit tests using Jasmine
  • Use Node.js, npm, and Gulp to automate tasks such as linting, testing, and minification
  • Explore different Jenkins jobs to integrate with Node.js and C# projects
  • Perform Continuous Delivery and Deployment using Jenkins
  • Test and deliver a web API

Product Details

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Publication date : Oct 30, 2017
Length: 458 pages
Edition : 1st
Language : English
ISBN-13 : 9781787286610
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Product Details

Publication date : Oct 30, 2017
Length: 458 pages
Edition : 1st
Language : English
ISBN-13 : 9781787286610
Languages :
Tools :

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Table of Contents

14 Chapters
Continuous Integration, Delivery, and Deployment Foundations Chevron down icon Chevron up icon
Setting Up a CI Environment Chevron down icon Chevron up icon
Version Control with Git Chevron down icon Chevron up icon
Creating a Simple JavaScript App Chevron down icon Chevron up icon
Testing Your JavaScript Chevron down icon Chevron up icon
Automation with Gulp Chevron down icon Chevron up icon
Automation with Jenkins Chevron down icon Chevron up icon
A NodeJS and MongoDB Web App Chevron down icon Chevron up icon
A C# .NET Core and PostgreSQL Web App Chevron down icon Chevron up icon
Additional Jenkins Plugins Chevron down icon Chevron up icon
Jenkins Pipelines Chevron down icon Chevron up icon
Testing a Web API Chevron down icon Chevron up icon
Continuous Delivery Chevron down icon Chevron up icon
Continuous Deployment Chevron down icon Chevron up icon

Customer reviews

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jdubski Oct 28, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
excellent book. this book assisted me greatly in my ci/cd journey. i appreciate the author's easygoing writing style and candidness in what areas he may or may not be skilled in. although i'm not using the tools outlined in this book (bitbucket pipelines vs jenkins, cypress.io vs selenium, etc) the concepts are still highly relevant and spot on. thx to the author for producing quality material.
Amazon Verified review Amazon
Frans van der Wende Feb 12, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
An excellent introduction to continuous integration/delivery and deployment. Nice and easy to read. Well done Sander!
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Marc Clifton Feb 10, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Excellent read on what can be a complicated subject and daunting subject. I appreciated the step-by-step description of working with the various pieces of the puzzle (Ubuntu, Git, Jenkins, PostgreSQL, MongoDB, SonarQube, Node.js, Karma, Selenium, Gulp, ) that is one option in comprising a CI solution, and particularly how version control plays a critical role in CI. Sander demonstrates his broad cross-domain knowledge particularly in Chapter 9, discussing C# .NET Core. This book should provide the reader with a baseline of what CI is and how to do put together a well-oiled CI implementation, regardless of the specific technologies that can be used.
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Rien Hanekamp Feb 14, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Very detailled description of the continuos development proces. A handsome book to use when you are a developer.
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Orrin Rijk Feb 13, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Very thoroughSander takes the reader through various aspects of CI using different tools and technologies.What could’ve been a difficult and confusing read turned out to be a breeze thanks to Sander’s clear writing style and many examples.Must read!
Amazon Verified review Amazon
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