DevOps is an emerging set of principles, methods, and practices that enable the rapid deployment of software systems. DevOps focuses on lowering barriers between development, testing, security, and operations in support of rapid iterative development and deployment. Many organizations struggle when implementing DevOps because of its inherent technical, process, and cultural challenges. Bob Aiello shares DevOps best practices starting with its role early in the application lifecycle and bridging the gap with testing, security, and operations.