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Continuous Delivery with Docker and Jenkins

You're reading from Continuous Delivery with Docker and Jenkins Create secure applications by building complete CI/CD pipelines

Product type Paperback

Published in May 2019

Publisher Packt

ISBN-13 9781838552183

Length 350 pages

Edition 2nd Edition

Tools

Docker

Concepts

Continuous Delivery

Author (1):

Rafał Leszko

View More author details

Table of Contents (16) Chapters

Preface

1. Section 1: Setting Up the Environment

2. Introducing Continuous Delivery FREE CHAPTER

3. Introducing Docker

4. Configuring Jenkins

5. Section 2: Architecting and Testing an Application

6. Continuous Integration Pipeline

7. Automated Acceptance Testing

8. Clustering with Kubernetes

9. Section 3: Deploying an Application

10. Configuration Management with Ansible

11. Continuous Delivery Pipeline

12. Advanced Continuous Delivery

13. Best practices

14. Assessment

15. Other Books You May Enjoy

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Working with legacy systems

All we have described so far applies to greenfield projects, for which setting up a Continuous Delivery pipeline is relatively simple.

Legacy systems are, however, way more challenging, because they usually depend on manual tests and manual deployment steps. In this section, we will walk through the recommended scenario to incrementally apply Continuous Delivery to a legacy system.

As step zero, I recommend reading an excellent book by Michael Feathers, Working Effectively with Legacy Code. His ideas on how to deal with testing, refactoring, and adding new features address most of the concerns about how to automate the delivery process for legacy systems.

For many developers, it may be tempting to completely rewrite a legacy system, rather than refactor it. While the idea is interesting from a developer's perspective, it is usually a bad business...

The rest of the chapter is locked

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Authors (1)

Rafał Leszko

Rafał Leszko

Rafał Leszko is a passionate software developer, trainer, and conference speaker living in Krakow, Poland. He has spent his career writing code, designing architecture, and is a tech leader in a number of companies and organizations, including Hazelcast, Google, and CERN. Always open to new challenges, he has given talks and conducted workshops at numerous international conferences, including Devoxx and Voxxed Days

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