Spinnaker is an open-source, multi-cloud continuous delivery platform that automates deployment processes and helps manage infrastructure. It provides a user-friendly interface and supports various cloud providers like AWS, Azure, and GCP. Spinnaker enables seamless blue-green deployments by switching between two identical production environments, allowing for easy rollbacks in case of issues or failures. The platform abstracts away common cloud infrastructure, providing insight into an application's health and driving deployment and scaling decisions. Spinnaker supports various deployment workflows and has been battle-tested by some of the biggest companies. With its robust pipeline framework, Spinnaker makes it easy to set up a blue-green deployment strategy, including dynamic routing of traffic and efficient rollbacks in case of issues.