4.0.0 spring-data-jpa-crud spring-data-jpa-crud com.baeldung parent-boot-2 0.0.1-SNAPSHOT ../../parent-boot-2 org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-web com.google.guava guava ${guava.version} com.h2database h2 net.ttddyy datasource-proxy ${datasource-proxy.version} org.postgresql postgresql com.h2database h2 runtime org.testcontainers postgresql ${testcontainers.version} test 1.4.1 21.0 1.12.2