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

Customizing your application


If you are familiar with the JavaEE model, you will know that JNDI was designed for application customization, assuming that the container would provide some way to configure injected parameters (strings) and resources. However, this never proved to be a good model, and most developers used to have some external properties file, system properties, or a comparable hack to inject values into the application and manage values at runtime depending on the environment.

Generally speaking, all frameworks used to offer some configuration facilities based on environment variables or system properties (in the Java ecosystem).

Application parameters

Application parameters are the CloudBees mechanism to customize the runtime of an application without changing the deployed artifact. As you use SDK to define an application parameter, this one is tied to the application ID and injected as an environment variable and/or a system property.

Application parameters are managed using...