Introduction As a beginner in software engineering, navigating the complex world of containerization can be daunting. However, with the rise of modern technologies like Docker, Kubernetes, and cloud computing, it's essential to understand the basics of containerizing applications. In this article, we'll explore the world of Docker and provide a step-by-step guide on how to containerize your first application. Whether you're building a mobile app with React Native or a backend system with Node.js, Docker is an essential tool to learn. What is Docker? Docker is a containerization platform that allows developers to package, ship, and run applications in containers. Containers are lightweight and portable, providing a consistent and reliable way to deploy applications across different environments. With Docker, you can create a container for your application, which includes the code, dependencies, and configurations, and then deploy it to any platform that supports Docker.…