Cloud technology

Cloud is ubiquitous. It is used throughout this book. Cloud is used in this book for hosting all environments, implementation of DevOps practices, and deployment of applications.

Cloud is a relatively new paradigm in infrastructure provisioning, application deployment, and hosting space. The only options prior to the advent of cloud was either self-hosted on on-premises data centers or using services from a hosting service provider. However, cloud is changing the way enterprises look at their strategy in relation to infrastructure and application development, deployment, and hosting. In fact, the change is so enormous that it has found its way into every aspect of an organization's software development processes, tools, and practices.

Cloud computing refers to the practice of deploying applications and services on the Internet with a cloud provider. A cloud provider provides multiple types of services on cloud. They are divided into three categories based on their level...