This document provides an overview of DevOps including: - An introduction stating that DevOps enables better customer service through improved communication between development and operations. - An abstract defining DevOps as a combination of development and operations aimed at collaboratively promoting faster application delivery. - Sections covering the history, definition, need for DevOps, life cycle, architecture, practices, principles, tools, and benefits of DevOps. - It concludes by stating that DevOps aims to create happy development and operations teams through open collaboration and communication.