In many organizations across all industries, the core value of the business is now being delivered through software. For decades, software was carefully planned and then developed and delivered in lockstep processes (called phase gate or waterfall) that mirrored other disciplines such as architecture: planning, followed by design, then development, which was then handed off to testing and QA, and finally to operations for maintenance. This carefully orchestrated process with predefined deliverables and several strict hand-offs worked well enough for a time but did not allow for flexibility, changing requirements, or—most importantly—an increasingly competitive landscape that demanded speed in the way we deliver software that allows us to respond to customer demands and security threats.
DevOps is a software development and delivery methodology that provides exactly this: increased speed and stability while delivering value to organizations and customers. (See the State of DevOps Reports for an overview of the performance gains possible by adopting DevOps principles; https://devops-research.com/research.html). The methodology has come of age in the past several years, and organizations are adopting key DevOps practices—which include technology practices, processes that draw from the lean and agile movements, and culture—to transform their software practices. DevOps practices allow the organizations that adopt them to leverage software so they can delight their customers, beat their competitors to market, pivot quickly when needed, respond to compliance and regulatory changes, and address security threats.
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