Software Architecture with Spring 5.0

Supporting different environments

A common scenario in the delivery of an application is that we code the application on a development environment (almost always our own computer) and then the application is deployed in different test and production environments. Spring configuration files allow us to use different configurations on each environment. We can use a local configuration file as part of an application and then later, we can override those configuration values using environment variables. This is commonly needed because we use different credentials and configurations for each environment of our deployment configuration.

Before creating different Spring configuration files for each of the different environments that we need to deploy ...