Book Image

Cloud Development and Deployment with CloudBees

By : Nicolas De loof
Book Image

Cloud Development and Deployment with CloudBees

By: Nicolas De loof

Overview of this book

CloudBees offers a Platform as a Service (PaaS) to build, run, manage web applications, and support the entire application lifecycle right from development to deployment.The development and deployment of web- and mobile-based Java applications are the basic services that CloudBees has to offer. With these services you can efficiently build and enhance applications, and connect them to existing networks and systems. Cloud Development and Deployment with CloudBees introduces you to the concept of Platform as a Service. It talks about the services in detail that developers can leverage in order to build, manage, and deploy their applications with ease onto the cloud. You will learn the intricacies of the CloudBees ecosystem and how it can be extended to match your specific requirements. Cloud Development and Deployment with CloudBees will get you started with the concepts of PaaS and why it is considered better than other forms of services. You will then learn to create and manage your account, understand the CloudBees ecosystem, and subscribe to the wide array of services available. After this, you will use the clickStart feature that will enable you to set up, run, and host your application on the cloud. You will also venture out into the development phase by understanding Jenkins and how it would help you to build, maintain, and integrate your project build. You will then learn how to use the RUN@CLOUD platform to host your application, and you will also delve into cloud concepts, and understand the architectural constraints and how to monitor the application. Finally, you will deep dive into the extensive capabilities of using clickStack to create or customize your own stack.
Table of Contents (15 chapters)
Cloud Development and Deployment with CloudBees
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

ClickStack by sample


Based on the existing samples in the CloudBees-community GitHub organization, you can quickly create your own ClickStack. Let's introduce you to ClickStack development.

A simple ClickStack plugin

We will create a very basic ClickStack plugin as an introductory tutorial. This one doesn't need to set up runtime; it is just a plugin, but gives you the base for later development.

The RUN@cloud servers provide a minimalistic, stable Linux environment. To enforce tenant isolation, both your application and ClickStack run without root permissions. Java developers use ClickStack to embed a dozen utility libraries into WAR, but sometimes you need to use native code. For example, you may need to process video streams using the ffmpeg library.

You can retrieve this sample stack from https://github.com/ndeloof/ffmpeg-clickstack. This ClickStack has only one significant file. The first file is the setup script that will be used as it is by GenApp. This is a trivial shell script:

echo...