Аннотация

“The cloud” is the new technology buzzword. It seems like everyone is talking about “moving to the cloud,” but few people really know what that means, least of all how to take advantage of it. With every technology shift, there are people who think that the new technology will solve all of their problems, without even taking inventory of what those problems are. Many technologies make promises, and some of those are even true, but for them to come true, you have to use the technology in the right way.
This book is primarily for developers who want to start moving their apps to the cloud, and want to know how to get started and different options available to them. Secondarily, this book is for managers who want to be conversant in cloud technology and ideas, in order to better understand the options available and how different development decisions will affect them. This book has a focus on PHP, but, even if PHP is not your intended deployment language, this book will tell you what you need to know to architect a cloud application in any language or platform.
This book will talk about several different cloud options, but will focus on developing for Linode and similar clouds, the reasons for which we will see in Chapter 2.
Please note that this book makes many comparisons between specific infrastructure vendors. I do not represent any particular company, nor do I warrant that these comparisons are foolproof or permanent. They are, however, the results of my experience and my knowledge at the time of writing, and I have attempted to do all due diligence to provide factual information as best I can. Nonetheless, while the general considerations discussed in this book are unlikely to change, the specific vendors, products, and how they measure up are likely to change over time.
Additionally, while the general outlines of the tasks for setup, programming, and configuration are likely to remain the same for a long period of time, the specific steps and screenshots may differ from this book as products and platforms change. Nevertheless, the steps presented here should remain a reliable guide for what types of things you should expect from different cloud vendors.