4.0.0 org.springframework.boot spring-boot-starter-parent 2.7.7 pdl backend 0.0.1-SNAPSHOT backend Backend PDL project 17 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin maven-resources-plugin copy Vue.js frontend content generate-resources copy-resources src/main/resources/public true ../frontend/target/dist static/ index.html favicon.ico