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PHP Microservices
PHP Microservices

PHP Microservices: Transit from monolithic architectures to highly available, scalable, and fault-tolerant microservices

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Profile Icon Pablo Solar Vilariño Profile Icon Carlos Pérez Sánchez
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Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8 (5 Ratings)
Paperback Mar 2017 392 pages 1st Edition
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Arrow left icon
Profile Icon Pablo Solar Vilariño Profile Icon Carlos Pérez Sánchez
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€36.99
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8 (5 Ratings)
Paperback Mar 2017 392 pages 1st Edition
eBook
€20.98 €29.99
Paperback
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Free Trial
Renews at €18.99p/m
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PHP Microservices

Chapter 2. Development Environment

In this chapter, we will start building our application based on microservices now that we know why microservices are necessary for the development of our application and the advantages we can enjoy if we base the application on microservices.

The application that we will develop in this book (which is similar to Pokemon GO) is called Finding secrets. This application will be like a game using geolocation to find different secrets around the world. The entire world keeps a lot of hidden secrets and the players will have to find them as soon as possible. There are 100 different kinds of secrets, and they will generate and appear in different parts of the world every day, so the players will be able to find them by walking around different areas and checking to see if there are any kind of secrets nearby.

The secrets will be saved in the application wallet and if the player finds a secret that they already have in their wallet, they will not...

Design and architecture to build the basic platform for microservices

Creating an application based on microservices is not like a monolithic application. For this reason, we have to divide our functionalities into different services. To do this, it is important to follow an adequate design and structure each of the microservices according to its requirements.

The design takes care of dividing the application into logical parts and groups them according to their existing relationship. The architecture takes care of defining which concrete elements support each of the microservices, for example, where the data is stored or the communication between the services.

Throughout the book, we will follow the given structure for each microservice. In the following image, you will see the structure of one of the microservices, the rest of them are similar; however, some parts are optional:

Design and architecture to build the basic platform for microservices

All the requests for our microservices come from a REVERSE PROXY as this allows us to balance the...

Requirements to start working on microservices

Now that you understand why you can use PHP (especially the latest release, version 7) for your next project, it is time to talk about other requirements for the success of your microservices project.

You probably have the importance of the scalability of your application in mind, but how can you do it within a budget? The response is virtualization. With this technology, you will be wasting less resources. In the past, only one Operating System (OS) could be executed at a time on the same hardware, but with the birth of virtualization, you can have multiple OSes running concurrently. The greatest achievement in your project will be that you will be running more servers dedicated to your microservices but using less hardware.

Given the advantages provided by the virtualization and containerization, nowadays using containers in the development of an application based on microservices is a default standard. There are multiple containerization...

Version control – Git versus SVN

Version control is a tool that helps you recall the previous versions of your source code to check them and work with them; it is agnostic of the language or technology used and it is possible to use a version control in all softwares developed in plain text.

We can categorize the versioning control tools into the following categories:

  • Centralized version: Control system needs a centralized server to work and all developers need to be connected to it so that they synchronize and download the changes from it.
  • Distributed version: Control system is not centralized; in other words, each developer has the entire management version control system on their own machine, so it is possible to work locally and then synchronize it with a common server or with each developer. Distributed Version Control Systems (DVCS) are faster because they need less changes on the centralized or shared server.

Subversion (SVN) is a centralized version control system...

Setting up a development environment for microservices

One of the greatest benefits of using Docker and its container ecosystem is that you don't need to install anything else on your machine. For example, if you need a MySQL database, you don't need to install anything on your local dev; it is easier to spin a container with the version you want and start using it.

This way of developing is more flexible, therefore we will be working with Docker containers throughout the whole book. In this section, we will learn how to build a basic Docker environment; it will be our foundation and we will be improving and adapting this base to each of our microservices in the subsequent chapters.

To simplify the folder structure of our project, we will have some root folders on our development machine:

  • Docker: This folder will contain all the Docker environment
  • Source: This folder will have the source of each of our microservices

    Setting up a development environment for microservices

Note that this structure is flexible and can be changed...

Design and architecture to build the basic platform for microservices


Creating an application based on microservices is not like a monolithic application. For this reason, we have to divide our functionalities into different services. To do this, it is important to follow an adequate design and structure each of the microservices according to its requirements.

The design takes care of dividing the application into logical parts and groups them according to their existing relationship. The architecture takes care of defining which concrete elements support each of the microservices, for example, where the data is stored or the communication between the services.

Throughout the book, we will follow the given structure for each microservice. In the following image, you will see the structure of one of the microservices, the rest of them are similar; however, some parts are optional:

All the requests for our microservices come from a REVERSE PROXY as this allows us to balance the load. Also,...

Requirements to start working on microservices


Now that you understand why you can use PHP (especially the latest release, version 7) for your next project, it is time to talk about other requirements for the success of your microservices project.

You probably have the importance of the scalability of your application in mind, but how can you do it within a budget? The response is virtualization. With this technology, you will be wasting less resources. In the past, only one Operating System (OS) could be executed at a time on the same hardware, but with the birth of virtualization, you can have multiple OSes running concurrently. The greatest achievement in your project will be that you will be running more servers dedicated to your microservices but using less hardware.

Given the advantages provided by the virtualization and containerization, nowadays using containers in the development of an application based on microservices is a default standard. There are multiple containerization projects...

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Key benefits

  • Build your own applications based on event-driven microservices and set them up on a production server.
  • Successfully transform any monolithic application into a microservice.
  • Monitor the health of your application, prevent downtime, and reduce costs.

Description

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.

Who is this book for?

PHP developers who want to build scalable, highly available, and secure applications will find this book useful. No knowledge of microservices is assumed.

What you will learn

  • Set up a development environment using the right strategies and tools.
  • Learn about application design and structure to start implementing your application.
  • Transform a monolithic application into microservices.
  • Explore the best way to start implementing your application using testing.
  • Understand how to monitor your microservices, handle errors, and debug the application.
  • Deploy your finished application into a production environment and learn how to solve common problems.
  • Know how to scale your application based on microservices once it is up–and-running.
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Length: 392 pages
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Table of Contents

12 Chapters
1. What are Microservices? Chevron down icon Chevron up icon
2. Development Environment Chevron down icon Chevron up icon
3. Application Design Chevron down icon Chevron up icon
4. Testing and Quality Control Chevron down icon Chevron up icon
5. Microservices Development Chevron down icon Chevron up icon
6. Monitoring Chevron down icon Chevron up icon
7. Security Chevron down icon Chevron up icon
8. Deployment Chevron down icon Chevron up icon
9. From Monolithic to Microservices Chevron down icon Chevron up icon
10. Strategies for Scalability Chevron down icon Chevron up icon
11. Best Practices and Conventions Chevron down icon Chevron up icon
12. Cloud and DevOps Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.8
(5 Ratings)
5 star 60%
4 star 0%
3 star 20%
2 star 0%
1 star 20%
Vikram Jul 28, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
A good quick read. Concepts are explained from a developers usage perspective
Amazon Verified review Amazon
Marcio Rosa Jun 21, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Excelente livro para quem quer aprender/melhorar sua caminhada em desenvolvimento web.Otima abordagem. Recomendado para todos os níveis de programadores
Amazon Verified review Amazon
ltheoret Jun 08, 2017
Full star icon Full star icon Full star icon Full star icon Full star icon 5
A lot of info on PHP
Amazon Verified review Amazon
Amazon Customer Jul 13, 2017
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3
In general, a fairly easy read with quite a few side-steps in explaining other tools and approaches.It does dive into details here and there were the overview has not been established yet. I do think the book is overpriced for what it offers.
Amazon Verified review Amazon
Julio César Barrera Andrade Apr 12, 2018
Full star icon Empty star icon Empty star icon Empty star icon Empty star icon 1
- Demasiados errores en el código mostrado,- Falta de detalle para el montado de algunos servicios (sentry, weave works)- Falta de detalle y errores de configuración en micro-framework de Lumen.- Algunos temas se detallan, otros quedan demasiada simple la explicación.Sinceramente de los peores libros que he leído.
Amazon Verified review Amazon
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