Deploying applications to Kubernetes using Gitness involves setting up Gitness as a containerized application, configuring Kubernetes clusters, and creating deployment pipelines that leverage Gitness's continuous integration and deployment capabilities. Gitness, an open-source Git solution, offers reliable Git repository hosting along with capabilities for code hosting, collaboration, and continuous integration, making it a comprehensive software delivery platform. Users can create projects and repositories within Gitness to manage their code and deployment processes. The blog highlights the setup process for Gitness, including creating service accounts and configuring secrets for Kubernetes deployment, and demonstrates the creation of a deployment pipeline that uses shell scripts to automate the deployment of an nginx application. Although Gitness is still evolving and faces some challenges, such as the exposure of secrets in pipeline logs and reliance on shell scripts, it aims to streamline the DevOps cycle and set new standards for open-source code hosting. The author, Dewan Ahmed, provides insights into the current state and future potential of Gitness while also sharing his expertise in developer advocacy and infrastructure solutions.