4.0.0 springboot springboot-webflux-5-thymeleaf-mongodb 0.0.1-SNAPSHOT springboot-webflux-5-thymeleaf-mongodb org.springframework.boot spring-boot-starter-parent 2.1.3.RELEASE org.springframework.boot spring-boot-starter-webflux org.springframework.boot spring-boot-starter-data-mongodb-reactive org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-starter-test test junit junit 4.12