Re-Engineering Legacy Software

Book Description


As a developer, you may inherit built on existing codebases with patterns, usage assumptions, infrastructure, and tooling from another time and another team. Fortunately, there are ways to breathe new life into legacy projects so you can maintain, improve, and scale them without fighting their limitations.

Purchase of the print book includes a free eBook in PDF, , and ePub formats from Manning Publications.

About the Book

Re- Legacy Software is an experience-driven guide to revitalizing inherited projects. It covers refactoring, quality metrics, toolchain and workflow, continuous , infrastructure automation, and organizational culture. You'll learn techniques for introducing dependency injection for code modularity, quantitatively measuring quality, and automating infrastructure. You'll also develop practical processes for deciding whether to rewrite or refactor, organizing teams, and convincing management that quality matters. Core topics include deciphering and modularizing awkward code structures, integrating and automating tests, replacing outdated build systems, and using tools like Vagrant and Ansible for infrastructure automation.

What's Inside

  • Refactoring legacy codebases
  • Continuous inspection and integration
  • Automating legacy infrastructure
  • New tests for old code
  • Modularizing monolithic projects

About the Reader

This book is written for developers and team leads comfortable with an OO language like or C#.

About the Author

Chris Birchall is a senior developer at the Guardian in London, working on the back-end services that power the website.

Table of Contents

Part 1 Getting started
Chapter 1 Understanding the challenges of legacy projects
Chapter 2 Finding your starting point

Part 2 Refactoring to improve the codebase
Chapter 3 Preparing to refactor
Chapter 4 Refactoring
Chapter 5 Re-architecting
Chapter 6 The Big Rewrite

Part 3 Beyond refactoring— improving project workflow and infrastructure
Chapter 7 Automating the development environment
Chapter 8 Extending automation to test, staging, and production environments
Chapter 9 Modernizing the development, building, and deployment of legacy software
Chapter 10 Stop writing legacy code!

Book Details

  • Title: Re-Engineering Legacy Software
  • Author:
  • Length: 232 pages
  • Edition: 1
  • Language: English
  • Publisher:
  • Publication Date: 2016-05-09
  • ISBN-10: 1617292508
  • ISBN-13: 9781617292507
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