In recent years, the tech world has witnessed a remarkable evolution in the way applications are developed, deployed, and managed, largely thanks to two groundbreaking technologies: Docker and Kubernetes. Containerization, spearheaded by Docker, is a method of packaging an application along with its dependencies in a virtual container so that the deployed application is executed without any inconsistency in different environments. On the other hand, Kubernetes emerges as a robust system for orchestrating the same containers packaged through docker. It automates the deployment, scaling, and management of containerized applications, ensuring their optimal performance and reliability. Despite the distinct nature of both technologies, it is easy to confuse one with the other. This is exactly what this article is going to focus on. We will look into the core concepts, architecture, use cases, and scalability of both Kubernetes and Docker, offering a comprehensive comparison to help readers understand their unique advantages, limitations, and use cases.