4.0.0 org.springframework.boot spring-boot-starter-parent 3.3.5 com.docling docling-studio 0.1.0 Docling Studio Backend 21 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-webflux org.springframework.boot spring-boot-starter-actuator org.postgresql postgresql runtime org.liquibase liquibase-core org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin