Book's Code Upgrade: Migrate from Spring Boot 2.3 to 2.4

This chapter describes how to upgrade the book���s source code to Spring Boot 2.4.0, Spring Cloud 2020.0, and Java 15.

Table of Contents A minor update, or not? Migrate to Spring Boot 2.4.0 and Java 15 Embedded Database (H2) credentials Building the apps Migrate to Spring Cloud 2020.0 from Spring Cloud Hoxton Spring Cloud Bootstrap Upgrading the Docker image dependencies A minor update, or not?

Moving from Spring Boot 2.3.4 to 2.4.0 means we deal...