anchor.diff:  
   We need to create the file providing the values.
   By default, Shamrock reads `META-INF/microprofile-config.properties`.
  -Create the `src/main/resources/META-INF/microprofile-config.properties` with the following content:
  +Edit the `src/main/resources/META-INF/microprofile-config.properties` with the following content:
   
   [source]
   ----
  
positive.code: You can add the `greeting.suffix`, remove the other properties, change the values, etc.
  
  As usual, the application can be packaged using `mvn clean package` and executed using the `-runner.jar` file.
  You can also generate the native executable.
negative.code: greeting.message = hello
  greeting.name = shamrock
  ----
  
  Once set, check the application with:
  
  [source]
  ----
  $ curl  http://localhost:8080/greeting
  hello shamrock!
  ----
  
  TIP: If the application requires configuration values and these values are not set, an error is thrown.
  So you can quickly now when your configuration is complete.
  
  == Update the test
  
  