4.0.0 property-exp-custom-config 0.0.1-SNAPSHOT property-exp-custom-config jar com.baeldung spring-boot-property-exp 0.0.1-SNAPSHOT org.springframework.boot spring-boot-starter ${spring-boot.version} org.springframework.boot spring-boot-starter-test ${spring-boot.version} test ${basedir}/src/main/resources true **/application*.yml **/application*.yaml **/application*.properties ${basedir}/src/main/resources true **/application*.yml **/application*.yaml **/application*.properties org.apache.maven.plugins maven-resources-plugin 2.7 @ true org.codehaus.mojo exec-maven-plugin 1.6.0 com.baeldung.propertyexpansion.SpringBootPropertyExpansionApp 1.5.10.RELEASE Custom Property Value