After setting up your development environment in Creating a Spring Boot REST API with iPad Pro and Raspberry Pi 4, continue learning to build a complex and practical web application anywhere with a minimalistic setup. Not only will you get to experience technologies used in famous enterprise web applications, you will  also be able to code using only your iPad and a Raspberry Pi. The common misconception is that you can only use your iPad for small code changes, or small code additions while on the go. You will learn that you can do so much more and code an entire application with just your iPad and Raspberry Pi.