A cultural and professional movement that stresses communication, collaboration, and integration between software developers and information technology operations professionals. It aims to shorten the systems development life cycle and provide continuous delivery with high software quality.
DevOps breaks down the "Wall of Confusion" between those who want change (Dev) and those who fear change (Ops), aligning them towards a single goal: business value delivery.
DevOps is meaningless if you just rename your generic "Ops" team to a "DevOps" team. DevOps is a Way of Working, not a job title. It means shared responsibility, shared tooling, and shared pain. If a developer breaks production, they should be the one waking up to fix it, not the "DevOps Engineer."