In this chapter, we will cover the following topics:

• Creating a Spring Boot executable JAR
• Creating Docker images
• Building self-executing binaries
• Spring Boot environment configuration, hierarchy, and precedence
• Adding a custom PropertySource to the environment using EnvironmentPostProcessor
• Externalizing an environmental configuration using property files
• Externalizing an environmental configuration using environment variables
• Externalizing an environmental configuration using Java system properties
• Externalizing an environmental configuration using JSON
• Setting up Consul
• Externalizing an environmental configuration using Consul and envconsul