Book Image

Continuous Delivery with Docker and Jenkins

By : Rafał Leszko

Book Image

Continuous Delivery with Docker and Jenkins

By: Rafał Leszko

Overview of this book

The combination of Docker and Jenkins improves your Continuous Delivery pipeline using fewer resources. It also helps you scale up your builds, automate tasks and speed up Jenkins performance with the benefits of Docker containerization. This book will explain the advantages of combining Jenkins and Docker to improve the continuous integration and delivery process of app development. It will start with setting up a Docker server and configuring Jenkins on it. It will then provide steps to build applications on Docker files and integrate them with Jenkins using continuous delivery processes such as continuous integration, automated acceptance testing, and configuration management. Moving on you will learn how to ensure quick application deployment with Docker containers along with scaling Jenkins using Docker Swarm. Next, you will get to know how to deploy applications using Docker images and testing them with Jenkins. By the end of the book, you will be enhancing the DevOps workflow by integrating the functionalities of Docker and Jenkins.

Preface

What this book covers

What you need for this book

Who this book is for

Reader feedback

Customer support

Free Chapter

Introducing Continuous Delivery

Introducing Continuous Delivery

What is Continuous Delivery?

The automated deployment pipeline

Prerequisites to Continuous Delivery

Building the Continuous Delivery process

Introducing Docker

Introducing Docker

What is Docker?

Docker installation

Running Docker hello world>

Docker applications

Building images

Docker container states

Docker networking

Using Docker volumes

Using names in Docker

Docker commands overview

Configuring Jenkins

Configuring Jenkins

What is Jenkins?

Jenkins installation

Jenkins hello world

Jenkins architecture

Configuring agents

Custom Jenkins images

Configuration and management

Continuous Integration Pipeline

Continuous Integration Pipeline

Introducing pipelines

Commit pipeline

Code quality stages

Triggers and notifications

Team development strategies

Automated Acceptance Testing

Automated Acceptance Testing

Introducing acceptance testing

Docker registry

Acceptance test in pipeline

Acceptance testing with Docker Compose

Writing acceptance tests

Configuration Management with Ansible

Configuration Management with Ansible

Introducing configuration management

Installing Ansible

Deployment with Ansible

Ansible with Docker

Continuous Delivery Pipeline

Continuous Delivery Pipeline

Environments and infrastructure

Nonfunctional testing

Application versioning

Complete Continuous Delivery pipeline

Clustering with Docker Swarm

Clustering with Docker Swarm

Server clustering

Docker Swarm in practice

Advanced Docker Swarm

Docker Compose with Docker Swarm

Alternative cluster management systems

Scaling Jenkins

Advanced Continuous Delivery

Advanced Continuous Delivery

Managing database changes

Pipeline patterns

Release patterns

Working with legacy systems

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Complete Continuous Delivery pipeline

After discussing all the aspects of Ansible, environments, nonfunctional testing, and versioning, we are ready to extend the Jenkins pipeline and finalize a simple, but complete, Continuous Delivery pipeline.

We will do it in a few steps as follows:

Create the inventory of staging and production environments
Update acceptance tests to use the remote host (instead of local)
Release the application to the production environment
Add a smoke test which makes sure the application was successfully released

Inventory

In their simplest form, we can have two environments: staging and production, each having one Docker host machine. In real life, we may want to add more host groups for each environment...