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

Platform as a Service


Platform as a Service (PaaS) is a crossover between IaaS and SaaS. This is a fuzzy definition, but it defines well the existing actors in this industry well and possible confusions. A general presentation of PaaS uses a pyramid. Depending on what the graphics try to demonstrate, the pyramid can be drawn upside down, as shown in the following diagram:

Cloud pyramids

The pyramid on the left-hand side shows XaaS platforms based on the target users' profiles. It demonstrates that IaaS is the basis for all Cloud services. It provides the required flexibility for PaaS to support applications that are exposed as SaaS to the end users. Some SaaS actually don't use a PaaS and directly rely on IaaS, but that doesn't really matter here.

The pyramid on the right-hand side represents the providers and the three levels suggests the number of providers in each category. IaaS only makes sense for highly concentrated, large-scale providers. PaaS can have more actors, probably focused on some ecosystem, but the need is to have a neutral and standard platform that is actually attractive for developers. SaaS is about all the possible applications running in Cloud. The top-level shape should then be far larger than what the graphic shows.