Containerize Spring Boot CRUD App with Docker and Docker Compose - Benefits of Docker

The video tutorial discusses the benefits of using Docker, including consistency and isolated environments, cost effectiveness, and fast deployment. Docker allows applications to run consistently across different operating systems, enhancing cross-platform compatibility. It also supports automation, testing, and rollback processes, making them faster and more efficient. Additionally, Docker promotes modularity and scalability, enabling applications to scale up or down based on demand. These features make Docker a powerful tool for modern application development and deployment.

Discuss how automation in Docker affects testing and deployment processes.

What does modularity and scalability mean in the context of Docker applications?