Merging of Java-Properties and YAML
java -jar target/extconfig.jar --spring.profiles.active=merge
Java-Properties and YAML compared
java -jar target/extconfig.jar --spring.profiles.active=comparison-yml
respectivly
java -jar target/extconfig.jar --spring.profiles.active=comparison-prop
Multiprofile and priority
java -jar target/extconfig.jar
java -jar target/extconfig.jar --spring.profiles.active=demo1
java -jar target/extconfig.jar --spring.profiles.active=demo2
java -jar target/extconfig.jar --spring.profiles.active=demo2,demo1
java -jar target/extconfig.jar --spring.profiles.active=demo1,demo2
Validation of configuration and failure analysis
java -jar target/extconfig.jar --spring.profiles.active=invalid
Overwrite property with env variable (notice the double underscores, . not supported in zsh)
$ export EXAMPLE_THE_GREETING=test
java -jar target/extconfig.jar