How to Deploy Preview Environments on Kubernetes with GitHub Actions

Preview environments offer a safe, isolated space for testing and debugging code changes before merging into the main branch. They enhance collaboration, reduce costs, and seamlessly integrate with CI/CD pipelines for continuous integration and deployment. This guide outlines setting up preview environments for backend services and APIs using Kubernetes, Docker, and GitHub Actions. It covers Kubernetes resources, container configuration, and specific GitHub Actions workflows for deploying previews. The setup ensures unique deployment names, manages environment variables, and handles clean-up tasks automatically.