Applications are typically built once (in JAR or WAR) and then deployed into multiple environments. ;The following figure shows some of the different environments an application can be deployed to:
In each of the preceding environments, an application typically ;has the following:
- Connections to databases
- Connections to multiple ;services
- Specific environment configurations
It is a good practice to externalize configurations that change between different environments into a configuration file or database.
Spring Boot provides ;a flexible, standardized approach for externalized configuration.
In this section, ...
