Book Image

PHP Microservices

By : Pablo Solar Vilariño, Carlos Pérez Sánchez
Book Image

PHP Microservices

By: Pablo Solar Vilariño, Carlos Pérez Sánchez

Overview of this book

The world is moving away from bulky, unreliable, and high-maintenance PHP applications, to small, easy-to-maintain and highly available microservices and the pressing need is for PHP developers to understand the criticalities in building effective microservices that scale at large. This book will be a reliable resource, and one that will help you to develop your skills and teach you techniques for building reliable microservices in PHP. The book begins with an introduction to the world of microservices, and quickly shows you how to set up a development environment and build a basic platform using Docker and Vagrant. You will then get into the different design aspects to be considered while building microservices in your favorite framework and you will explore topics such as testing, securing, and deploying microservices. You will also understand how to migrate a monolithic application to the microservice architecture while keeping scalability and best practices in mind. Furthermore you will get into a few important DevOps techniques that will help you progress on to more complex domains such as native cloud development, as well as some interesting design patterns. By the end of this book you will be able to develop applications based on microservices in an organized and efficient way. You will also gain the knowledge to transform any monolithic applications into microservices.
Table of Contents (19 chapters)
PHP Microservices
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Domain-driven design


Domain-driven design (DDD from here on) is an approach for the development when it has complex needs. This concept is not new; it was created by Eric Evans in his book with the same title in 2004, but now it is mainstream as microservices are popular among developers and very common in huge projects.

This is happening as there is great compatibility between the microservices concepts (regarding the software architecture, dividing every functionality into services) and DDD concepts (about the bounded contexts).

Before knowing where and how we can use DDD in our microservices project, it is necessary to understand what DDD is and how it works, so let me introduce you to the main concepts as a summary of this approach.

How domain-driven design works

Evans introduced some concepts that are necessary to understand to learn how domain-driven design works:

  • Context:This is the setting in which a word or statement appears that determines its meaning.

  • Domain: This is a sphere of...