The article examines the roles and suitability of Docker and Kubernetes for local development by highlighting their respective strengths and weaknesses. Containerization is explained as a method of operating system virtualization that packages applications with all necessary components, offering benefits like portability, resource efficiency, and isolated environments. Docker is praised for its ease of installation, outstanding portability, and vibrant community, making it a popular choice for developers. However, its use in production environments is limited compared to Kubernetes, which is built for container orchestration and offers superior scalability and flexibility across various infrastructures. Kubernetes, while powerful for large-scale deployments, is noted for its complexity in setup for local development. The article concludes that the choice between Docker and Kubernetes depends on the specific use case, with Docker being more developer-friendly and Kubernetes more suited for cloud-native applications. Earthly is mentioned as a tool that enhances deployment processes by automating Docker builds, contributing to a more efficient software development lifecycle.