Spring Boot + Hibernate + Grails ignores ddlAuto in yml file - spring

Question

I don't want Hibernate to recreate or update the database schema.
According to the documentation, you need to have this in your application.yml file:
spring.jpa.hibernate.ddl-auto: none
It doesn't work.
Here's my application.yml file:
spring:
profiles.active: default
spring.jpa.hibernate.ddl-auto: none
---
spring:
profiles: default
spring.datasource:
driverClassName: net.sourceforge.jtds.jdbc.Driver
url: jdbc:jtds:sqlserver://IP/DB
username: user
password: password
spring.jpa:
hibernate:
ddlAuto: validate
showSql: true
hibernate:
ddl-auto: none
---
spring:
profiles: unit-test
spring.datasource:
pooled: true
jmxExport: true
driverClassName: org.h2.Driver
username: sa
password:
dbCreate: create-drop
url: jdbc:h2:mem:devDb;MVCC=FALSE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=TRUE
Documentation link:
https://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html
Note I've also changed ddl-auto with ddlAuto, still doesn't work.
build.gradle:
buildscript {
repositories {
mavenCentral()
jcenter()
maven { url "https://repo.spring.io/libs-release" }
}
dependencies {
classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.2'
classpath "org.springframework.boot:spring-boot-gradle-plugin:1.3.+"
}
}
repositories {
mavenCentral()
mavenLocal()
jcenter()
}
apply plugin: 'spring-boot'
dependencies {
//Spring
compile "org.springframework.boot:spring-boot-configuration-processor"
compile "org.springframework.boot:spring-boot-starter"
compile "org.grails:gorm-hibernate4-spring-boot:5.0.+"
compile 'javax.el:javax.el-api:2.2.5'
//DB
testCompile 'com.h2database:h2:1.4.190'
compile 'net.sourceforge.jtds:jtds:1.3.1'
compile 'commons-dbcp:commons-dbcp:1.4'
}