Deploying a to-do application to Kubernetes using the Harness platform involves setting up a continuous integration and delivery (CI/CD) pipeline, configuring Kubernetes clusters, and utilizing deployment scripts. This process exemplifies the ease and efficiency of managing applications with Harness's user-friendly interface, which is designed to support modern DevOps methodologies by streamlining software development through the use of microservices, containerization, and cloud-native technologies. The tutorial demonstrates these concepts with a simple to-do application, guiding users through cloning the project repository, installing dependencies, running tests, and deploying the application on a Kubernetes cluster. Harness aids developers by providing an intuitive platform for CI/CD, ensuring efficient software delivery, and allowing users to test, build, and deploy applications seamlessly while leveraging the Harness Delegate to connect necessary infrastructure components and providers. The platform's continuous integration and delivery modules facilitate testing, building, and deployment stages, ultimately illustrating how developers can efficiently manage application deployment on Kubernetes.