The Spring Boot application that we created in Chapter 5, Securing and Testing Your Backend, is required (it is available on GitHub at: https://github.com/PacktPublishing/Hands-On-Full-Stack-Development-with-Spring-Boot-2-and-React-Second-Edition/tree/master/Chapter05), as is the React app that we used in Chapter 13, Testing Your Frontend (it is available on GitHub at: https://github.com/PacktPublishing/Hands-On-Full-Stack-Development-with-Spring-Boot-2-and-React-Second-Edition/tree/master/Chapter13).
Docker installation is necessary, and the following GitHub link will also be required: https://github.com/PacktPublishing/Hands-On-Full-Stack-Development-with-Spring-Boot-2-and-React-Second-Edition/tree/master/Chapter15.